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May be lathlike, radial fibrous, botyroidal or spherical aggregates and crusts.",3.5,4,"2.84","2.87","Vitreous,Sub-Vitreous,Greasy","Transparent,Translucent","white","Purple, violet, pink, peach-blossom-red, carmine, greenish white, colorless; Colourless to pale pink in transmitted light.","Usually lght pink",[60,61,62,56,63,64],"purple","pink","red","colorless","green",[56],"Not fluorescent in UV","Good on {010}, poor on {001}","Distinct\u002FGood","brittle","Biaxial","+","1.697","1.708","1.719","1.741","1.745","72","88","90",1.697,1.745,"relatively strong r \u003C v","Non-pleochroic","0.044","Soluble in HCl but not in HNO3.","Phosphate-bearing iron ore deposit","Secondary mineral formed under surface or near-surface conditions by the alteration of iron-bearing phosphates, such as \u003CM>Triphylite\u003C\u002FM> in pegmatite, or \u003CM>Dufrenite\u003C\u002FM>, or may occur in limonite ore deposits and gossans, magnetite iron ores, late-stage mineralization in granite pegmatites, or rarely as a cave mineral.","Variscite-Strengite Series.\r\nThe phosphate analogue of scorodite.","Named after Johann August Streng (4 February 1830, Frankfurt, Germany - 7 January 1897, Giessen, Germany), Professor of Mineralogy, University of Giessen, Germany. Streng was an assistant to Robert Bunsen at the University of Heidelberg and later professor of chemistry at the Clausthal Mining Academy. Streng was an innovator in new methods of chemical titration.","2026-03-12 09:19:02",[92],{"id":93,"name":94,"entrytype":95,"csystem":11,"ima_formula":11,"mindat_formula":96,"hmin":11,"hmax":11,"dmeas":44,"dcalc":44,"primary_image_id":11},31969,"Aluminium-bearing Strengite",2,"(Fe,Al)PO\u003Csub>4\u003C\u002Fsub>·2H\u003Csub>2\u003C\u002Fsub>O",[98,105,113,122],{"id":99,"name":100,"entrytype":9,"csystem":37,"ima_formula":101,"mindat_formula":102,"hmin":50,"hmax":51,"dmeas":103,"dcalc":44,"primary_image_id":104},2568,"Mansfieldite","Al(AsO\u003Csub>4\u003C\u002Fsub>) · 2H\u003Csub>2\u003C\u002Fsub>O","AlAsO\u003Csub>4\u003C\u002Fsub>·2H\u003Csub>2\u003C\u002Fsub>O","3.03",15406,{"id":106,"name":107,"entrytype":9,"csystem":37,"ima_formula":108,"mindat_formula":109,"hmin":50,"hmax":51,"dmeas":110,"dcalc":111,"primary_image_id":112},3595,"Scorodite","Fe\u003Csup>3+\u003C\u002Fsup>(AsO\u003Csub>4\u003C\u002Fsub>) · 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4H\u003Csub>2\u003C\u002Fsub>O","Mn\u003Csup>2+\u003C\u002Fsup>Mn\u003Csup>3+\u003C\u002Fsup>\u003Csub>2\u003C\u002Fsub>(PO\u003Csub>4\u003C\u002Fsub>)\u003Csub>2\u003C\u002Fsub>(OH)\u003Csub>2\u003C\u002Fsub>·4H\u003Csub>2\u003C\u002Fsub>O",3106,{"id":147,"name":148,"entrytype":9,"csystem":149,"ima_formula":150,"mindat_formula":150,"hmin":95,"hmax":151,"dmeas":152,"dcalc":153,"primary_image_id":154},683,"Bismoclite","Tetragonal","BiOCl",2.5,"7.36","7.784",3339,{"id":156,"name":157,"entrytype":9,"csystem":158,"ima_formula":159,"mindat_formula":160,"hmin":127,"hmax":51,"dmeas":161,"dcalc":162,"primary_image_id":163},840,"Cacoxenite","Hexagonal","Fe\u003Csup>3+\u003C\u002Fsup>\u003Csub>24\u003C\u002Fsub>AlO\u003Csub>6\u003C\u002Fsub>(PO\u003Csub>4\u003C\u002Fsub>)\u003Csub>17\u003C\u002Fsub>(OH)\u003Csub>12\u003C\u002Fsub> · 75H\u003Csub>2\u003C\u002Fsub>O","Fe\u003Csup>3+\u003C\u002Fsup>\u003Csub>24\u003C\u002Fsub>AlO\u003Csub>6\u003C\u002Fsub>(PO\u003Csub>4\u003C\u002Fsub>)\u003Csub>17\u003C\u002Fsub>(OH)\u003Csub>12\u003C\u002Fsub>·75H\u003Csub>2\u003C\u002Fsub>O","2.2","2.217",29339,{"id":165,"name":166,"entrytype":9,"csystem":134,"ima_formula":167,"mindat_formula":168,"hmin":50,"hmax":118,"dmeas":169,"dcalc":170,"primary_image_id":171},1323,"Dufrénite","Ca\u003Csub>0.5\u003C\u002Fsub>Fe\u003Csup>2+\u003C\u002Fsup>Fe\u003Csup>3+\u003C\u002Fsup>\u003Csub>5\u003C\u002Fsub>(PO\u003Csub>4\u003C\u002Fsub>)\u003Csub>4\u003C\u002Fsub>(OH)\u003Csub>6\u003C\u002Fsub> · 2H\u003Csub>2\u003C\u002Fsub>O","Ca\u003Csub>0.5\u003C\u002Fsub>Fe\u003Csup>2+\u003C\u002Fsup>Fe\u003Csup>3+\u003C\u002Fsup>\u003Csub>5\u003C\u002Fsub>(PO\u003Csub>4\u003C\u002Fsub>)\u003Csub>4\u003C\u002Fsub>(OH)\u003Csub>6\u003C\u002Fsub>·2H\u003Csub>2\u003C\u002Fsub>O","3.1","3.41",7433,{"id":173,"name":174,"entrytype":9,"csystem":175,"ima_formula":176,"mindat_formula":177,"hmin":51,"hmax":51,"dmeas":178,"dcalc":179,"primary_image_id":180},1500,"Ferristrunzite","Triclinic","Fe\u003Csup>3+\u003C\u002Fsup>Fe\u003Csup>3+\u003C\u002Fsup>\u003Csub>2\u003C\u002Fsub>(PO\u003Csub>4\u003C\u002Fsub>)\u003Csub>2\u003C\u002Fsub>(OH)\u003Csub>3\u003C\u002Fsub> · 5H\u003Csub>2\u003C\u002Fsub>O","Fe\u003Csup>3+\u003C\u002Fsup>Fe\u003Csup>3+\u003C\u002Fsup>\u003Csub>2\u003C\u002Fsub>(PO\u003Csub>4\u003C\u002Fsub>)\u003Csub>2\u003C\u002Fsub>(OH)\u003Csub>3\u003C\u002Fsub>·5H\u003Csub>2\u003C\u002Fsub>O","2.38","2.55",8646,{"id":182,"name":183,"entrytype":9,"csystem":37,"ima_formula":184,"mindat_formula":184,"hmin":118,"hmax":118,"dmeas":185,"dcalc":186,"primary_image_id":187},1614,"Frondelite","(Mn\u003Csup>2+\u003C\u002Fsup>\u003Csub>0.5\u003C\u002Fsub>Fe\u003Csup>3+\u003C\u002Fsup>\u003Csub>0.5\u003C\u002Fsub>)\u003Csub>2\u003C\u002Fsub>Fe\u003Csup>3+\u003C\u002Fsup>\u003Csub>3\u003C\u002Fsub>(PO\u003Csub>4\u003C\u002Fsub>)\u003Csub>3\u003C\u002Fsub>(OH)\u003Csub>5\u003C\u002Fsub>","3.453","3.35",9448,{"id":189,"name":190,"entrytype":9,"csystem":134,"ima_formula":191,"mindat_formula":192,"hmin":193,"hmax":193,"dmeas":194,"dcalc":195,"primary_image_id":196},2598,"Matulaite","Fe\u003Csup>3+\u003C\u002Fsup>Al\u003Csub>7\u003C\u002Fsub>(PO\u003Csub>4\u003C\u002Fsub>)\u003Csub>4\u003C\u002Fsub>(PO\u003Csub>3\u003C\u002Fsub>OH)\u003Csub>2\u003C\u002Fsub>(OH)\u003Csub>8\u003C\u002Fsub>(H\u003Csub>2\u003C\u002Fsub>O)\u003Csub>8\u003C\u002Fsub> · 8H\u003Csub>2\u003C\u002Fsub>O","(Fe\u003Csup>3+\u003C\u002Fsup>,Al)Al\u003Csub>7\u003C\u002Fsub>(PO\u003Csub>4\u003C\u002Fsub>)\u003Csub>4\u003C\u002Fsub>(PO\u003Csub>3\u003C\u002Fsub>OH)\u003Csub>2\u003C\u002Fsub>(OH)\u003Csub>8\u003C\u002Fsub>(H\u003Csub>2\u003C\u002Fsub>O)\u003Csub>8\u003C\u002Fsub>·8H\u003Csub>2\u003C\u002Fsub>O",1.5,"2.27","2.294",15624,{"id":198,"name":199,"entrytype":9,"csystem":134,"ima_formula":16,"mindat_formula":15,"hmin":50,"hmax":51,"dmeas":200,"dcalc":201,"primary_image_id":202},3187,"Phosphosiderite","2.74","2.72",19357,{"id":204,"name":205,"entrytype":9,"csystem":37,"ima_formula":206,"mindat_formula":206,"hmin":50,"hmax":118,"dmeas":207,"dcalc":208,"primary_image_id":209},3433,"Rockbridgeite","(Fe\u003Csup>2+\u003C\u002Fsup>\u003Csub>0.5\u003C\u002Fsub>Fe\u003Csup>3+\u003C\u002Fsup>\u003Csub>0.5\u003C\u002Fsub>)\u003Csub>2\u003C\u002Fsub>Fe\u003Csup>3+\u003C\u002Fsup>\u003Csub>3\u003C\u002Fsub>(PO\u003Csub>4\u003C\u002Fsub>)\u003Csub>3\u003C\u002Fsub>(OH)\u003Csub>5\u003C\u002Fsub>","3.45","3.60",77132,{"id":211,"name":212,"entrytype":9,"csystem":175,"ima_formula":213,"mindat_formula":214,"hmin":51,"hmax":51,"dmeas":215,"dcalc":216,"primary_image_id":217},3810,"Strunzite","Mn\u003Csup>2+\u003C\u002Fsup>Fe\u003Csup>3+\u003C\u002Fsup>\u003Csub>2\u003C\u002Fsub>(PO\u003Csub>4\u003C\u002Fsub>)\u003Csub>2\u003C\u002Fsub>(OH)\u003Csub>2\u003C\u002Fsub> · 6H\u003Csub>2\u003C\u002Fsub>O","Mn\u003Csup>2+\u003C\u002Fsup>Fe\u003Csup>3+\u003C\u002Fsup>\u003Csub>2\u003C\u002Fsub>(PO\u003Csub>4\u003C\u002Fsub>)\u003Csub>2\u003C\u002Fsub>(OH)\u003Csub>2\u003C\u002Fsub>·6H\u003Csub>2\u003C\u002Fsub>O","2.52","2.49",23104,{"id":219,"name":220,"entrytype":9,"csystem":221,"ima_formula":222,"mindat_formula":223,"hmin":11,"hmax":11,"dmeas":224,"dcalc":224,"primary_image_id":225},3890,"Taranakite","Trigonal","K\u003Csub>3\u003C\u002Fsub>Al\u003Csub>5\u003C\u002Fsub>(PO\u003Csub>3\u003C\u002Fsub>OH)\u003Csub>6\u003C\u002Fsub>(PO\u003Csub>4\u003C\u002Fsub>)\u003Csub>2\u003C\u002Fsub> · 18H\u003Csub>2\u003C\u002Fsub>O","K\u003Csub>3\u003C\u002Fsub>Al\u003Csub>5\u003C\u002Fsub>(PO\u003Csub>3\u003C\u002Fsub>OH)\u003Csub>6\u003C\u002Fsub>(PO\u003Csub>4\u003C\u002Fsub>)\u003Csub>2\u003C\u002Fsub>·18H\u003Csub>2\u003C\u002Fsub>O","2.12",23635,{"id":227,"name":228,"entrytype":9,"csystem":134,"ima_formula":229,"mindat_formula":230,"hmin":193,"hmax":95,"dmeas":231,"dcalc":232,"primary_image_id":233},4194,"Vivianite","Fe\u003Csup>2+\u003C\u002Fsup>\u003Csub>3\u003C\u002Fsub>(PO\u003Csub>4\u003C\u002Fsub>)\u003Csub>2\u003C\u002Fsub> · 8H\u003Csub>2\u003C\u002Fsub>O","Fe\u003Csup>2+\u003C\u002Fsup>Fe\u003Csup>2+\u003C\u002Fsup>\u003Csub>2\u003C\u002Fsub>(PO\u003Csub>4\u003C\u002Fsub>)\u003Csub>2\u003C\u002Fsub>·8H\u003Csub>2\u003C\u002Fsub>O","2.67","2.696",27527,[235,236],{"id":198,"name":199,"entrytype":9,"csystem":134,"ima_formula":16,"mindat_formula":15,"hmin":50,"hmax":51,"dmeas":200,"dcalc":201,"primary_image_id":202},{"id":123,"name":124,"entrytype":9,"csystem":37,"ima_formula":125,"mindat_formula":126,"hmin":127,"hmax":51,"dmeas":44,"dcalc":128,"primary_image_id":129},[238],{"id":239,"txt":240,"latitude":241,"longitude":242,"country":243},10896,"Eleonore Mine, Fellingshausen, Biebertal, Giessen, Giessen Region, Hesse, Germany",50.6355556,8.5813889,"Germany",266,[246,250,254,258,263,267,271,274,278,282,286,291,296,300,305,310,314,319,324],{"id":247,"year":248,"html":249,"doi":11},16124509,1867,"Zepharovich (1867) Königliche Akademie der Wissenschaften, Vienna, Sitzberichte: 56: 20. (As Barrandite.)",{"id":251,"year":252,"html":253,"doi":11},16124510,1877,"Nies (1877) Neues Jahrbuch für Mineralogie, Geologie und Paleontologie, Heidelberg, Stuttgart: 8-16.",{"id":255,"year":256,"html":257,"doi":11},16124511,1913,"Schaller, Waldemar Theodore (1913), The refractive indices of strengite: Journal of the Washington Academy of Science: 3: 249.",{"id":259,"year":260,"html":261,"doi":262},103504,1915,"Laubmann, H.; Steinmetz, H. (1915) Phosphatführende Pegmatite des Oberpfälzer und Bayerischen Waldes. \u003Ci>Zeitschrift für Kristallographie, Mineralogie und Petrographie\u003C\u002Fi>,  55 (1-6). 523-586 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1524\u002Fzkri.1915.55.1.523'>doi:10.1524\u002Fzkri.1915.55.1.523\u003C\u002Fa>","10.1524\u002Fzkri.1915.55.1.523",{"id":264,"year":265,"html":266,"doi":11},4468630,1922,"(1922) \u003Ci>Atlas Der Krystallformen\u003C\u002Fi> Vol. 8 - Text - Band VIII - Safflorit-Topas. Carl Winters Universitätsbuchhandlung, Heidelberg.",{"id":268,"year":269,"html":270,"doi":11},16124514,1935,"de Jesus (1935) Com. Serv. Geol. Portugal: 19: 65.",{"id":272,"year":269,"html":273,"doi":11},16124515,"Himmel and Schroeder (1935) Zentralblatt Mineralien: 289.",{"id":275,"year":276,"html":277,"doi":11},16124516,1938,"Kokkoros (1938) Prakt. Ac. Athénes: 13: 337 (Min. Abs. (1941): 8: 140).",{"id":279,"year":280,"html":281,"doi":11},521073,1940,"McConnell, Duncan (1940) Clinobarrandite and the isodimorphous series, variscite-metavariscite. \u003Ci>American Mineralogist\u003C\u002Fi>,  25 (11) 719-725 \u003Ca target='_blank' href='http:\u002F\u002Fwww.minsocam.org\u002Fammin\u002FAM25\u002FAM25_719.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":283,"year":284,"html":285,"doi":11},1118652,1951,"Palache, Charles; Berman, Harry; Frondel, Clifford (1951) \u003Ci>The System of Mineralogy\u003C\u002Fi> (7th ed.) Vol. 2 - Halides, Nitrates, Borates, Carbonates, Sulfates, Phosphates, Arsenates, Tungstates, Molybdates, Etc. John Wiley and Sons.",{"id":287,"year":288,"html":289,"doi":290},16792651,1969,"Takashima, Yoshimasa; Maeda, Yonezo (1969) The Mössbauer effect in mixed crystals of Fe(P,As)O4 · 2H2O and (Fe,Al)PO4 · 2H2O. \u003Ci>Journal of Inorganic and Nuclear Chemistry\u003C\u002Fi>,  31 (5). 1337-1343 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1016\u002F0022-1902(69)80245-9'>doi:10.1016\u002F0022-1902(69)80245-9\u003C\u002Fa>","10.1016\u002F0022-1902(69)80245-9",{"id":292,"year":293,"html":294,"doi":295},12669017,1988,"Nathan, Y., Panczer, G., Gross, S. (1988) The thermal analysis of some phosphate minerals: strengite, lipscombite, cyrilovite and goyazite. \u003Ci>Thermochimica Acta\u003C\u002Fi>, 135. 259-266 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1016\u002F0040-6031(88)87395-7'>doi:10.1016\u002F0040-6031(88)87395-7\u003C\u002Fa>","10.1016\u002F0040-6031(88)87395-7",{"id":297,"year":298,"html":299,"doi":11},16771790,2000,"Anthony, John Williams, Bideaux, Richard A., Bladh, Kenneth W., Nichols, Monte C. (2000) \u003Ci>Handbook of Mineralogy\u003C\u002Fi> Vol. 4 - Arsenates, phosphates, vanadates. Mineral Data Publishing, Tucson, Arizona.",{"id":301,"year":302,"html":303,"doi":304},1497973,2002,"Song, Yanning, Zavalij, Peter Y., Suzuki, Masatsugu, Whittingham, M. Stanley (2002) New Iron(III) Phosphate Phases:  Crystal Structure and Electrochemical and Magnetic Properties. \u003Ci>Inorganic Chemistry\u003C\u002Fi>,  41 (22) 5778-5786 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1021\u002Fic025688q'>doi:10.1021\u002Fic025688q\u003C\u002Fa>","10.1021\u002Fic025688q",{"id":306,"year":307,"html":308,"doi":309},16988094,2004,"Taxer, K., Bartl, H. (2004) On the dimorphy between the variscite and clinovariscite group: refined finestructural relationship of strengite and clinostrengite, Fe(PO\u003Csub>4\u003C\u002Fsub>) \u003Csup>.\u003C\u002Fsup> 2H\u003Csub>2\u003C\u002Fsub>O. \u003Ci>Crystal Research and Technology\u003C\u002Fi>,  39 (12) 1080-1088 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1002\u002Fcrat.200410293'>doi:10.1002\u002Fcrat.200410293\u003C\u002Fa>","10.1002\u002Fcrat.200410293",{"id":311,"year":312,"html":313,"doi":11},16967485,2005,"(2005) Strengite. \u003Ci>Handbook of Mineralogy\u003C\u002Fi>. Mineralogical Society of America \u003Ca target='_blank' href='https:\u002F\u002Fwww.handbookofmineralogy.org\u002Fpdfs\u002Fstrengite.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":315,"year":316,"html":317,"doi":318},2431611,2011,"Gomez, Mario A., Le Berre, Jean-Francois, Assaaoudi, Hassane, Demopoulos, George P. (2011) Raman spectroscopic study of the hydrogen and arsenate bonding environment in isostructural synthetic arsenates of the variscite group-M3+AsO4·2H2O (M3+ = Fe, Al, In and Ga): implications for arsenic release in water. \u003Ci>Journal of Raman Spectroscopy\u003C\u002Fi>,  42 (1). 62-71 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1002\u002Fjrs.2639'>doi:10.1002\u002Fjrs.2639\u003C\u002Fa>","10.1002\u002Fjrs.2639",{"id":320,"year":321,"html":322,"doi":323},16398937,2017,"Kloprogge, J. Theo, Wood, Barry J. (2017) X-ray Photoelectron Spectroscopic and Raman microscopic investigation of the variscite group minerals: Variscite, strengite, scorodite and mansfieldite. \u003Ci>Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy\u003C\u002Fi>, 185. 163-172 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1016\u002Fj.saa.2017.05.042'>doi:10.1016\u002Fj.saa.2017.05.042\u003C\u002Fa>","10.1016\u002Fj.saa.2017.05.042",{"id":325,"year":326,"html":327,"doi":328},4564579,2020,"Kolitsch, Uwe, Weil, Matthias, Kovrugin, Vadim M., Krivovichev, Sergey V. (2020) Crystal chemistry of the variscite and metavariscite groups: Crystal structures of synthetic CrAsO\u003Csub>4\u003C\u002Fsub>⋅2H\u003Csub>2\u003C\u002Fsub>O, TlPO\u003Csub>4\u003C\u002Fsub>⋅2H\u003Csub>2\u003C\u002Fsub>O, MnSeO\u003Csub>4\u003C\u002Fsub>⋅2H\u003Csub>2\u003C\u002Fsub>O, CdSeO\u003Csub>4\u003C\u002Fsub>⋅2H\u003Csub>2\u003C\u002Fsub>O and natural bonacinaite, ScAsO\u003Csub>4\u003C\u002Fsub>⋅2H\u003Csub>2\u003C\u002Fsub>O. \u003Ci>Mineralogical Magazine\u003C\u002Fi>, 84 (4) 568-583 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1180\u002Fmgm.2020.57'>doi:10.1180\u002Fmgm.2020.57\u003C\u002Fa>","10.1180\u002Fmgm.2020.57",[330,340,349,358,368,375,383,389,396,404,412,420,427,436,444,451,457,464,471,479,485,492,499,506,513,521,527,532,542,548,554],{"id":331,"source_url":332,"license_code":333,"credit_html":334,"title":335,"description":336,"author":337,"original_width":338,"original_height":339},23023,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=14865749","CC BY-SA 3.0","Christian Rewitzer, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=14865749\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Strengite-142745.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FStrengite\" class=\"extiw\" title=\"en:Strengite\">Strengite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Hagendorf South Pegmatite (Cornelia Mine; Hagendorf South Open Cut),  \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FWaidhaus\" class=\"extiw\" title=\"en:Waidhaus\">Waidhaus\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FVohenstrau%C3%9F\" class=\"extiw\" title=\"en:Vohenstrauß\">Vohenstrauß\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FUpper_Palatinate_Forest\" class=\"extiw\" title=\"en:Upper Palatinate Forest\">Oberpfälzer Wald\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FUpper_Palatinate\" class=\"extiw\" title=\"en:Upper Palatinate\">Upper Palatinate\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FBavaria\" class=\"extiw\" title=\"en:Bavaria\">Bavaria\u003C\u002Fa>, Germany (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-1769.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Picture width 3 mm. Collection and photo Christian Rewitzer  This Photo was Mindat.org Photo of the Day - 6th Feb 2008\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>","Christian Rewitzer",1000,938,{"id":341,"source_url":342,"license_code":333,"credit_html":343,"title":344,"description":345,"author":346,"original_width":347,"original_height":348},23024,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=14866352","Leon Hupperichs, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=14866352\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Strengite-102488.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FStrengite\" class=\"extiw\" title=\"en:Strengite\">Strengite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Leveäniemi Mine, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FSvappavaara\" class=\"extiw\" title=\"en:Svappavaara\">Svappavaara\u003C\u002Fa>, Kiruna district, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FLappland\" class=\"extiw\" title=\"en:Lappland\">Lappland\u003C\u002Fa>, Sweden (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-3176.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Pink crystal balls of Strengite. Field of view 10 mm. Specimen and photo Leon Hupperichs.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>","Leon Hupperichs",718,564,{"id":350,"source_url":351,"license_code":333,"credit_html":352,"title":353,"description":354,"author":355,"original_width":356,"original_height":357},23025,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=23844269","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=23844269\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Strengite-380656.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FStrengite\" class=\"extiw\" title=\"en:Strengite\">Strengite\u003C\u002Fa> (Size: 4.6 x 3.1 x 1.2 cm)\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Pleystein, Vohenstrauß, Oberpfälzer Wald, Upper Palatinate, Bavaria, Germany\u003C\u002Fdd>\n\u003Cdd>Strengite is an uncommon iron phosphate. This fine specimen is from a well-known locality in Bavaria. Lustrous, translucent, lavender strengite crystals to 5 mm richly and attractively line two vugs in the sculptural wedge of matrix. Many other rare phosphates are found at this unusual German pegmatite locale. Ex. Howard Belsky Collection.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>","Robert M. Lavinsky",465,363,{"id":359,"source_url":360,"license_code":361,"credit_html":362,"title":363,"description":364,"author":365,"original_width":366,"original_height":367},23026,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=23846876","Public domain","Modris Baum, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=23846876\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Strengite-252480.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FStrengite\" class=\"extiw\" title=\"en:Strengite\">Strengite\u003C\u002Fa> (FOV 1.1 x 1.3 mm)\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Indian Mountain, Cherokee County, Alabama, USA\u003C\u002Fdd>\n\u003Cdd>At this magnification my scope degenerates into chromatic aberration which I am unable to fix even with Photoshop. (Maybe I'll try Zerene Stacker.) The highlights are also very hard to control - got some blowouts.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>","Modris Baum",839,1024,{"id":369,"source_url":370,"license_code":333,"credit_html":371,"title":372,"description":373,"author":337,"original_width":374,"original_height":338},81109,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=14865677","Christian Rewitzer, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=14865677\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Strengite-114917.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FStrengite\" class=\"extiw\" title=\"en:Strengite\">Strengite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Hagendorf South Pegmatite (Cornelia Mine; Hagendorf South Open Cut), \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FH%C3%A4gendorf\" class=\"extiw\" title=\"en:Hägendorf\">Hagendorf\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FWaidhaus\" class=\"extiw\" title=\"en:Waidhaus\">Waidhaus\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FVohenstrau%C3%9F\" class=\"extiw\" title=\"en:Vohenstrauß\">Vohenstrauß\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FUpper_Palatinate_Forest\" class=\"extiw\" title=\"en:Upper Palatinate Forest\">Oberpfälzer Wald\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FUpper_Palatinate\" class=\"extiw\" title=\"en:Upper Palatinate\">Upper Palatinate\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FBavaria\" class=\"extiw\" title=\"en:Bavaria\">Bavaria\u003C\u002Fa>, Germany (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-1769.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Picture width 2 mm. Collection and photograph Christian Rewitzer  This Photo was Mindat.org Photo of the Day - 22nd Oct 2007\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",981,{"id":376,"source_url":377,"license_code":333,"credit_html":378,"title":379,"description":380,"author":346,"original_width":381,"original_height":382},662,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=23843352","Leon Hupperichs, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=23843352\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Strengite-435034.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FStrengite\" class=\"extiw\" title=\"en:Strengite\">Strengite\u003C\u002Fa> (Field of view 4 mm)\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Těškov, Rokycany (Rokitzan; Rokytzan), Plzeň Region, Bohemia (Böhmen; Boehmen), Czech Republic\u003C\u002Fdd>\n\u003Cdd>Greenish-grey massive Aliettite. Field of view 7 mm. Specimen and photo Leon Hupperichs.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",390,400,{"id":384,"source_url":385,"license_code":333,"credit_html":386,"title":387,"description":354,"author":355,"original_width":356,"original_height":388},81111,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=23844275","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=23844275\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Strengite-380659.jpg",558,{"id":390,"source_url":391,"license_code":333,"credit_html":392,"title":393,"description":394,"author":355,"original_width":382,"original_height":395},21039,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10453297","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10453297\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Rockbridgeite-Strengite-mrz163b.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FRockbridgeite\" class=\"extiw\" title=\"en:Rockbridgeite\">Rockbridgeite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FStrengite\" class=\"extiw\" title=\"en:Strengite\">Strengite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Leveäniemi Mine, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FSvappavaara\" class=\"extiw\" title=\"en:Svappavaara\">Svappavaara\u003C\u002Fa>, Kiruna district, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FLappland\" class=\"extiw\" title=\"en:Lappland\">Lappland\u003C\u002Fa>, Sweden (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-3176.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: miniature, 3.5 x 2.8 x 2.6 cm\n\u003Cdl>\u003Cdt>Strengite and Rockbridgeite\u003C\u002Fdt>\u003C\u002Fdl>\u003C\u002Fdd>\n\u003Cdd>A gorgeous miniature with high quality and good relief both - a rare combination. The strengite (purple) is of extremely high quality and size for the material (to 6 mm). The rockbridgeite though, is probably even better all things considered as this species is usually just the associated mineral and not so dominant in its own crystallization that it stands out so nicely as here.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",352,{"id":397,"source_url":398,"license_code":361,"credit_html":399,"title":400,"description":401,"author":402,"original_width":403,"original_height":403},81108,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=1956239","Dave Dyet http:\u002F\u002Fwww.shutterstone.com http:\u002F\u002Fwww.dyet.com, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=1956239\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Strengite on purpurite Hydrous iron phosphate near Usakos - Klienspitzkop Namibia Africa 1814.jpg","These mineral images are free to use how you wish.","Dave Dyet http:\u002F\u002Fwww.shutterstone.com http:\u002F\u002Fwww.dyet.com",640,{"id":405,"source_url":406,"license_code":333,"credit_html":407,"title":408,"description":409,"author":355,"original_width":410,"original_height":411},3075,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10172643","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10172643\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Strengite-Beraunite-283260.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FStrengite\" class=\"extiw\" title=\"en:Strengite\">Strengite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FBeraunite\" class=\"extiw\" title=\"en:Beraunite\">Beraunite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Leveäniemi Mine, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FSvappavaara\" class=\"extiw\" title=\"en:Svappavaara\">Svappavaara\u003C\u002Fa>, Kiruna district, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FLappland\" class=\"extiw\" title=\"en:Lappland\">Lappland\u003C\u002Fa>, Sweden (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-3176.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: 5.1 x 4.3 x 2.3 cm.\u003C\u002Fdd>\n\u003Cdd>A reference example of microcrystallized purple strengite arranged in ball-like clusters, associated with fibrous white beraunite. Traded from well-known collector Peter Lyckberg in 1992. Ex. Harold Urish and Peter Lyckberg Collections.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",538,600,{"id":413,"source_url":414,"license_code":333,"credit_html":415,"title":416,"description":417,"author":355,"original_width":418,"original_height":419},35498,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10137177","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10137177\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Strengite-Beraunite-Hematite-67995.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FStrengite\" class=\"extiw\" title=\"en:Strengite\">Strengite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FBeraunite\" class=\"extiw\" title=\"en:Beraunite\">Beraunite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FHematite\" class=\"extiw\" title=\"en:Hematite\">Hematite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Leveäniemi Mine, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FSvappavaara\" class=\"extiw\" title=\"en:Svappavaara\">Svappavaara\u003C\u002Fa>, Kiruna district, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FLappland\" class=\"extiw\" title=\"en:Lappland\">Lappland\u003C\u002Fa>, Sweden (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-3176.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Lustrous, lavender spheres to 3 mm of the uncommon phosphate strengite are scattered in a vug atop massive hematite along with radial rosettes of beraunite from the Leveaniemi iron mine of Sweden. These specimens were collected in the mid-1980s and the mine is now closed. See the Mineralogical Record article in Vol. 20, No. 5, 1989. 5.5 x 4.5 x 3.8 cm\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",464,550,{"id":421,"source_url":422,"license_code":333,"credit_html":423,"title":424,"description":425,"author":355,"original_width":411,"original_height":426},13294,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10138424","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10138424\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Kidwellite-Strengite-112576.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FKidwellite\" class=\"extiw\" title=\"en:Kidwellite\">Kidwellite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FStrengite\" class=\"extiw\" title=\"en:Strengite\">Strengite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Coon Creek Mine (York Mine), \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FShady\" class=\"extiw\" title=\"en:Shady\">Shady\u003C\u002Fa>, Polk County, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FArkansas\" class=\"extiw\" title=\"en:Arkansas\">Arkansas\u003C\u002Fa>, USA (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-10326.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>A beautiful 7mm green sphere of kidwellite, the rare phosphate from Arkansas. This is a REALLY good kidwellite! Rarely do you get them so nice and isolated, instead of just as a crust on matrix. This is an old specimen, obtained fro Al Kidwell in all likelihood back when Marty lived in Texas as well. 5.4 x 3 x 2.5 cm\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",421,{"id":428,"source_url":429,"license_code":430,"credit_html":431,"title":432,"description":433,"author":434,"original_width":338,"original_height":435},14048,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=23843211","CC BY 3.0","Sergio Varvello, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=23843211\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Strengite, Laueite-285798.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FStrengite\" class=\"extiw\" title=\"en:Strengite\">Strengite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FLaueite\" class=\"extiw\" title=\"en:Laueite\">Laueite\u003C\u002Fa> \n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Sapucaia Mine (Proberil mine), Sapucaia do Norte, Galiléia, Doce valley, Minas Gerais, Brazil\u003C\u002Fdd>\n\u003Cdd>\u003Ci>Original description:\u003C\u002Fi> Group of pink spheres of strengite on orange laueite crystals. Area 2,5 mm. Self collected october 2009. Sergio Varvello photo and collection.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>","Sergio Varvello",750,{"id":437,"source_url":438,"license_code":333,"credit_html":439,"title":440,"description":441,"author":355,"original_width":442,"original_height":443},77130,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10150491","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10150491\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Strengite-Rockbridgeite-173724.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FStrengite\" class=\"extiw\" title=\"en:Strengite\">Strengite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FRockbridgeite\" class=\"extiw\" title=\"en:Rockbridgeite\">Rockbridgeite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Leveäniemi Mine, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FSvappavaara\" class=\"extiw\" title=\"en:Svappavaara\">Svappavaara\u003C\u002Fa>, Kiruna district, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FLappland\" class=\"extiw\" title=\"en:Lappland\">Lappland\u003C\u002Fa>, Sweden (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-3176.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: 4.1 x 4.1 x 2.5 cm.\u003C\u002Fdd>\n\u003Cdd>A showy combination specimen of phosphates from the famous Leveaniemi Iron Mine of Sweden. Lustrous, lavender strengite spheres to 3 mm are aesthetically and richly scattered with sea-foam green spheres of rockbridgeite to 4 mm in a 3-dimensional vug atop massive hematite matrix. These specimens were collected in the mid-1980s and the mine is now closed. Ex. George Elling Collection.   This Photo was Mindat.org Photo of the Day - 8th Aug 2008\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",551,522,{"id":445,"source_url":446,"license_code":333,"credit_html":447,"title":448,"description":449,"author":355,"original_width":411,"original_height":450},35500,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10166706","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10166706\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Strengite-Beraunite-247906.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FStrengite\" class=\"extiw\" title=\"en:Strengite\">Strengite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FBeraunite\" class=\"extiw\" title=\"en:Beraunite\">Beraunite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Leveäniemi Mine, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FSvappavaara\" class=\"extiw\" title=\"en:Svappavaara\">Svappavaara\u003C\u002Fa>, Kiruna district, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FLappland\" class=\"extiw\" title=\"en:Lappland\">Lappland\u003C\u002Fa>, Sweden (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-3176.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: 5.7 x 3.5 x 2.7 cm.\u003C\u002Fdd>\n\u003Cdd>Material collected here in the 1960s-1970s is now hard to obtain, but is desirable for its beautiful purple strengites associated with other rare phosphate species. Here we have strengite balls to 4 mm associated with beraunite and likely other species as well. Excellent reference material for this now defunct locale. Ex. Harold Urish Collection.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",529,{"id":452,"source_url":453,"license_code":333,"credit_html":454,"title":455,"description":449,"author":355,"original_width":456,"original_height":382},3074,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10166707","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10166707\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Strengite-Beraunite-247907.jpg",364,{"id":458,"source_url":459,"license_code":361,"credit_html":460,"title":461,"description":462,"author":365,"original_width":367,"original_height":463},23027,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=23846971","Modris Baum, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=23846971\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Strengite, Cacoxenite-318661.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FStrengite\" class=\"extiw\" title=\"en:Strengite\">Strengite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FCacoxenite\" class=\"extiw\" title=\"en:Cacoxenite\">Cacoxenite\u003C\u002Fa> (FOV 6.1 x 4.6 mm)\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Indian Mountain, Cherokee County, Alabama, USA\u003C\u002Fdd>\n\u003Cdd>Lilac strengite blades with cacoxenite “sunbursts”.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",752,{"id":465,"source_url":466,"license_code":333,"credit_html":467,"title":468,"description":469,"author":355,"original_width":382,"original_height":470},77131,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10170573","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10170573\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Strengite-Rockbridgeite-270099.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FStrengite\" class=\"extiw\" title=\"en:Strengite\">Strengite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FRockbridgeite\" class=\"extiw\" title=\"en:Rockbridgeite\">Rockbridgeite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Leveäniemi Mine, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FSvappavaara\" class=\"extiw\" title=\"en:Svappavaara\">Svappavaara\u003C\u002Fa>, Kiruna district, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FLappland\" class=\"extiw\" title=\"en:Lappland\">Lappland\u003C\u002Fa>, Sweden (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-3176.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: 6.3 x 3.9 x 3 cm.\u003C\u002Fdd>\n\u003Cdd>Beautiful purple spheres of strengite to 3 mm and green spheres of normally-brown Rockbridgeite to 4mm make this a beautiful and highly representative specimen from this classic locale. Ex. Martin Zinn Collection.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",318,{"id":472,"source_url":473,"license_code":361,"credit_html":474,"title":475,"description":476,"author":477,"original_width":367,"original_height":478},23028,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=23847213","Mark Joseph Wylie, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=23847213\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Strengite, Triplite-262744.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FStrengite\" class=\"extiw\" title=\"en:Strengite\">Strengite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FTriplite\" class=\"extiw\" title=\"en:Triplite\">Triplite\u003C\u002Fa> (Field of view 3 mm)\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Morefield Mine (Morefield Pegmatite), Winterham, Amelia County, Virginia, USA\u003C\u002Fdd>\n\u003Cdd>\u003Ci>Original description:\u003C\u002Fi> Strengite cluster in triplite matrix 3mm FOV. collector & owner MWylie July 09. 60' level 8' NE of diabase dike. photo by Betsy Martin\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>","Mark Joseph Wylie",768,{"id":480,"source_url":481,"license_code":333,"credit_html":482,"title":483,"description":409,"author":355,"original_width":484,"original_height":382},35501,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10172644","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10172644\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Strengite-Beraunite-283261.jpg",368,{"id":486,"source_url":487,"license_code":333,"credit_html":488,"title":489,"description":490,"author":355,"original_width":411,"original_height":491},21037,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10441599","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10441599\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Rockbridgeite-Strengite-mrz261a.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FRockbridgeite\" class=\"extiw\" title=\"en:Rockbridgeite\">Rockbridgeite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FStrengite\" class=\"extiw\" title=\"en:Strengite\">Strengite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Suappavaara, Sweden\u003C\u002Fdd>\n\u003Cdd>Size: small cabinet, 6.3 x 3.9 x 3 cm\n\u003Cdl>\u003Cdt>Strengite with Rockbridgeite\u003C\u002Fdt>\u003C\u002Fdl>\u003C\u002Fdd>\n\u003Cdd>Beautiful purple spheres of strengite to 3 mm and green spheres of normally-brown Rockbridgeite to 4mm make this a beautiful and highly representative specimen from this classic locale. Ex. Martin Zinn Collection.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",466,{"id":493,"source_url":494,"license_code":333,"credit_html":495,"title":496,"description":497,"author":355,"original_width":382,"original_height":498},62705,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10453292","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10453292\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Kidwellite-Strengite-mrz161b.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FKidwellite\" class=\"extiw\" title=\"en:Kidwellite\">Kidwellite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FStrengite\" class=\"extiw\" title=\"en:Strengite\">Strengite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Coon Creek Mine (York Mine), \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FShady\" class=\"extiw\" title=\"en:Shady\">Shady\u003C\u002Fa>, Polk County, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FArkansas\" class=\"extiw\" title=\"en:Arkansas\">Arkansas\u003C\u002Fa>, USA (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-10326.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: miniature, 5.4 x 3 x 2.5 cm\n\u003Cdl>\u003Cdt>Kidwellite with Strengite\u003C\u002Fdt>\u003C\u002Fdl>\u003C\u002Fdd>\n\u003Cdd>A beautiful 7mm green sphere of kidwellite, the rare phosphate from Arkansas. This is a REALLY good kidwellite! Rarely do you get them so nice and isolated, instead of just as a crust on matrix. This is an old specimen, obtained fro Al Kidwell in all likelihood back when Marty lived in Texas as well.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",298,{"id":500,"source_url":501,"license_code":333,"credit_html":502,"title":503,"description":504,"author":337,"original_width":338,"original_height":505},4721,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=14865742","Christian Rewitzer, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=14865742\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Carlhintzeite-Strengite-142741.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FCarlhintzeite\" class=\"extiw\" title=\"en:Carlhintzeite\">Carlhintzeite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FStrengite\" class=\"extiw\" title=\"en:Strengite\">Strengite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Hagendorf South Pegmatite (Cornelia Mine; Hagendorf South Open Cut), Hagendorf, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FWaidhaus\" class=\"extiw\" title=\"en:Waidhaus\">Waidhaus\u003C\u002Fa>, Vohenstrauß, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FUpper_Palatine_Forest\" class=\"extiw\" title=\"en:Upper Palatine Forest\">Upper Palatine Forest\u003C\u002Fa>, Upper Palatinate, Bavaria, Germany (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-1769.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>White Carlhintzeite with violet strengite. Picture width 3,5 mm. Collection and photo Christian Rewitzer\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",984,{"id":507,"source_url":508,"license_code":333,"credit_html":509,"title":510,"description":511,"author":337,"original_width":367,"original_height":512},37684,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=14865820","Christian Rewitzer, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=14865820\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Strengite-Cacoxenite-185526.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FStrengite\" class=\"extiw\" title=\"en:Strengite\">Strengite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FCacoxenite\" class=\"extiw\" title=\"en:Cacoxenite\">Cacoxenite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Miguel Vacas Mine, Pardais, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FVila_Vi%C3%A7osa\" class=\"extiw\" title=\"en:Vila Viçosa\">Vila Viçosa\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002F%C3%89vora_District\" class=\"extiw\" title=\"en:Évora District\">Évora District\u003C\u002Fa>, Portugal (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-2584.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Strengite on yellow cacoxenite. Picture width 5 mm. Collection and photograph Christian Rewitzer  This Photo was Mindat.org Photo of the Day - 3rd Nov 2008\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",936,{"id":514,"source_url":515,"license_code":333,"credit_html":516,"title":517,"description":518,"author":346,"original_width":519,"original_height":520},81110,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=14866174","Leon Hupperichs, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=14866174\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Chalcosiderite-Strengite-92162.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FChalcosiderite\" class=\"extiw\" title=\"en:Chalcosiderite\">Chalcosiderite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FStrengite\" class=\"extiw\" title=\"en:Strengite\">Strengite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Miguel Vacas Mine, Pardais, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FVila_Vi%C3%A7osa\" class=\"extiw\" title=\"en:Vila Viçosa\">Vila Viçosa\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002F%C3%89vora_District\" class=\"extiw\" title=\"en:Évora District\">Évora District\u003C\u002Fa>, Portugal (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-2584.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Chalcosiderite (green) together with Strengite (pale lilac). Field of view 5 mm. Specimen and photo Leon Hupperichs.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",776,572,{"id":522,"source_url":523,"license_code":430,"credit_html":524,"title":525,"description":526,"author":434,"original_width":338,"original_height":435},14047,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=23843115","Sergio Varvello, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=23843115\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Strengite, Laueite-285800.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FStrengite\" class=\"extiw\" title=\"en:Strengite\">Strengite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FLaueite\" class=\"extiw\" title=\"en:Laueite\">Laueite\u003C\u002Fa> \n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Sapucaia Mine (Proberil mine), Sapucaia do Norte, Galiléia, Doce valley, Minas Gerais, Brazil\u003C\u002Fdd>\n\u003Cdd>\u003Ci>Original description:\u003C\u002Fi> Group of pink spheres of strengite on orange laueite crystals. Area 3 mm. Self collected october 2009. Sergio Varvello photo and collection.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",{"id":528,"source_url":529,"license_code":361,"credit_html":530,"title":531,"description":476,"author":477,"original_width":367,"original_height":478},81112,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=23847214","Mark Joseph Wylie, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=23847214\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Strengite, Triplite-262743.jpg",{"id":533,"source_url":534,"license_code":535,"credit_html":536,"title":537,"description":538,"author":539,"original_width":540,"original_height":541},2610,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=118199130","CC BY-SA 2.0","Pacific Museum of Earth from Canada, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=118199130\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Strengite with Meta-Strengite and Barbosalite (48522663012).jpg","\u003Cp>Bull Moose Mine - Custer County\n\u003C\u002Fp>\nSouth Dakota, USA","Pacific Museum of Earth from Canada",6000,4000,{"id":543,"source_url":544,"license_code":333,"credit_html":545,"title":546,"description":394,"author":355,"original_width":411,"original_height":547},21038,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10453296","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10453296\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Rockbridgeite-Strengite-mrz163a.jpg",483,{"id":549,"source_url":550,"license_code":535,"credit_html":551,"title":552,"description":553,"author":539,"original_width":540,"original_height":541},21460,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=118199297","Pacific Museum of Earth from Canada, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=118199297\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Salmonsite with Strengite (48522507986).jpg","\u003Cp>Pala - San Diego County\n\u003C\u002Fp>\nCalifornia, USA",{"id":555,"source_url":556,"license_code":557,"credit_html":558,"title":559,"description":560,"author":561,"original_width":562,"original_height":563},24538,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=14867990","CC0 1.0","User:Mark Joseph Wylie, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=14867990\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Triplite with strengite.jpg","Lavender strengite cluster in triplite matrix (3mm FOV).  Collector (July 2009) & owner MWylie with photo by Betsy Martin.  Locality: 60' level 8' NE of diabase dike, Morefield Pegmatite Mine, Amelia Co., Virginia, USA.","User:Mark Joseph Wylie",1280,960,[565],{"id":566,"url":567,"label":568,"formula":569,"spacegroup":570,"year":307},13232,"\u002Fcif\u002F13232.cif","Taxer 2004","Fe P O6 H4","P b c a",[],[573,577,581,585,589,592,596,600,603,607,610,614],{"lang":574,"names":575},"af",[576],"Strengiet",{"lang":578,"names":579},"ca",[580],"strengita",{"lang":582,"names":583},"de",[584],"Strengit",{"lang":586,"names":587},"es",[588],"Strengita",{"lang":590,"names":591},"eu",[588],{"lang":593,"names":594},"fa",[595],"استرنژیت",{"lang":597,"names":598},"fr",[599],"strengite",{"lang":601,"names":602},"it",[7],{"lang":604,"names":605},"ja",[606],"ストレング石",{"lang":608,"names":609},"pl",[584],{"lang":611,"names":612},"ta",[613],"சிட்ரெங்கைட்டு",{"lang":615,"names":616},"uk",[617],"штренгіт","Q2251798",{"history":620,"applications":624},{"markdown":621,"model_version":622,"prompt_version":623,"reviewed_at":11},"The name **strengite** honours a German chemist who never set eyes on the mineral named for him. Johann August Streng — born in Frankfurt on 4 February 1830, dead in Giessen on 7 January 1897 — was Professor of Mineralogy at the University of Giessen[1].\n\nStreng's career sat squarely at the boundary between chemistry and mineralogy. He had served as an assistant to Robert Bunsen at the University of Heidelberg, and later held a chair of chemistry at the Clausthal Mining Academy[1]. He was an innovator in new methods of chemical titration — the laboratory craft of measuring exactly how much of one substance is needed to react with another[1].\n\nThe mineral itself entered the literature in 1877, as a relatively rare hydrated iron phosphate close in form and composition to the older species variscite[2]. Its lavender, pink and violet hues come from ferric iron (Fe³⁺) in the structure[2].","claude-opus-4-7","1.7.0",{"markdown":625,"model_version":622,"prompt_version":623,"reviewed_at":11},"Strengite has no documented industrial application. It is sought mainly by mineral collectors as a representative species of the hydrated iron phosphates, prized for its lavender, pink and violet colours[1].\n\nBeyond the cabinet, the mineral carries a small footprint in laboratory mineralogy. It is only partially soluble in water[1]. It dissolves most readily at low pH and low oxidation–reduction potential[1]. Those are the conditions of acidic or waterlogged ground, where free oxygen is scarce."]