[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"minerals:one:1673":3},{"id":4,"longid":5,"guid":6,"name":7,"shortcode_ima":8,"entrytype":9,"entrytype_text":10,"varietyof":11,"synid":11,"polytypeof":11,"groupid":12,"weighting":13,"nolocadd":14,"blacklisted":14,"mindat_formula":15,"mindat_formula_note":11,"ima_formula":15,"elements":16,"sigelements":22,"key_elements":23,"impurities":24,"cim":25,"ima_status":26,"ima_notes":11,"ima_history":11,"approval_year":11,"publication_year":11,"discovery_year":29,"strunz10ed1":30,"strunz10ed2":31,"strunz10ed3":32,"strunz10ed4":33,"dana8ed1":34,"dana8ed2":35,"dana8ed3":36,"dana8ed4":37,"csystem":38,"cclass":39,"spacegroup":40,"spacegroupset":41,"a":42,"b":41,"c":41,"alpha":41,"beta":41,"gamma":41,"aerror":43,"berror":11,"cerror":11,"alphaerror":11,"betaerror":11,"gammaerror":11,"va3":11,"z":43,"csmetamict":14,"commentcrystal":11,"twinning":11,"tranglide":11,"parting":11,"epitaxidescription":44,"morphology":45,"tlform":11,"hmin":46,"hmax":47,"hardtype":11,"vhnmin":41,"vhnmax":41,"vhnerror":11,"vhng":11,"vhns":11,"commenthard":11,"dmeas":48,"dmeas2":49,"dcalc":49,"dmeaserror":11,"dcalcerror":11,"commentdense":11,"lustre":11,"lustretype":50,"commentluster":11,"diapheny":51,"streak":11,"colour":52,"commentcolor":11,"colors":53,"streak_colors":11,"luminescence":11,"uv":62,"cleavage":63,"cleavagetype":64,"fracturetype":65,"tenacity":66,"commentbreak":11,"opticaltype":67,"opticalsign":11,"opticalalpha":68,"opticalalpha2":69,"opticalalphaerror":11,"opticalbeta":41,"opticalbeta2":41,"opticalbetaerror":11,"opticalgamma":41,"opticalgamma2":41,"opticalgammaerror":11,"opticalomega":41,"opticalomega2":41,"opticalomegaerror":11,"opticalepsilon":41,"opticalepsilon2":41,"opticalepsilonerror":11,"opticaln":41,"opticaln2":41,"opticalnerror":11,"optical2vcalc":41,"optical2vcalc2":41,"optical2vcalcerror":11,"optical2vmeasured":41,"optical2vmeasured2":41,"optical2vmeasurederror":11,"rimin":70,"rimax":71,"opticaldispersion":11,"opticalpleochroism":11,"opticalpleochorismdesc":11,"opticalbirefringence":11,"opticalcomments":11,"opticalcolour":11,"opticalinternal":11,"opticaltropic":11,"opticalanisotropism":11,"opticalbireflectance":11,"opticalextinction":11,"opticalr":11,"specdispm":11,"ir":11,"electrical":11,"magnetism":11,"thermalbehaviour":11,"other":11,"industrial":11,"occurrence":72,"otheroccurrence":73,"type_specimen_store":74,"description_short":75,"aboutname":76,"rock_parent":11,"rock_parent2":11,"rock_root":9,"rock_bgs_code":11,"meteoritical_code":11,"updttime":77,"reviewed_at":11,"variety_of":11,"varieties":78,"group_members":79,"associates":105,"confused_with":106,"type_localities":107,"occurrence_total":112,"citations":113,"images":224,"structures":408,"synonyms":415,"language_names":418,"wikidata_qid":438,"texts":439},1673,"1:1:1673:1","88ab23c1-0b85-43ad-92e2-096fc9a40440","Genthelvite","Ghv",0,"mineral",null,40167,2611,false,"Be\u003Csub>3\u003C\u002Fsub>Zn\u003Csub>4\u003C\u002Fsub>(SiO\u003Csub>4\u003C\u002Fsub>)\u003Csub>3\u003C\u002Fsub>S",[17,18,19,20,21],"Be","Si","Zn","O","S",[17,18,19,20,21],[17,19],",Al,Fe,Mn,Cu,,","17.9.3",[27,28],"APPROVED","GRANDFATHERED","1944","9","F","B","10","76","2","4","3","Isometric",30,212,"0","8.12",2,"Genthelvite on danalite cores from Cheyenne Canyon, Colorado (Zito and Hanson, 2017).","Crystals commonly tetrahedral and tristetrahedra, up to 5 cm in diameter; also as large rounded grains to 25cm",6,6.5,"3.44","3.70","Vitreous","Transparent,Translucent","Colourless, white, yellow, green, pink to red, darkens to brown and black on weathering",[54,55,56,57,58,59,60,61],"colorless","white","yellow","green","pink","red","brown","black","Strong green fluorescence in long- and short-wave ultraviolet; short-lived phosphorescence.","on {111} and {1\u003Cmi>_1\u003C\u002Fmi>1}","Poor\u002FIndistinct","Irregular\u002FUneven","brittle","Isotropic","1.738","1.752",1.738,1.752,"Found in granite and syenite pegmatites","In miarolitic cavities in granitic pegmatites; accessory mineral in alkaline granites and syenites, greisens, and skarns.","Pennsylvania State University, University Park, Pennsylvania; National Museum of Natural History, Washington, D.C., USA, #127180; The Natural History Museum, London, England, #1976,427","Helvine Group. Danalite-Genthelvite Series, Danalite-Helvine Series, and the Genthelvite-Helvine Series.","Named in 1944 by Jewel Jeannette Glass, Richard Henry Jahns, and Rollin Elbert Stevens for its relationship to helvine and for Fredrick Augustus Genth [May 17, 1820  Wächtersbach, Hesse-Cassel - February 2, 1893 Philadelphia, Pennsylvania, USA], professor of mineralogy at the University of Pennsylvania. Genth first described genthelvite in 1892 but did not recommend a name. Genth's description appears in Am. Jour. Sci., 44, 385 (1892). Glass et al. (1944) named the mineral after Genth in the reference listed on the genthelvite descriptive page - see Am. Min., 29, nos. 3 & 4, 163-191 (1944).","2025-12-01 11:31:26",[],[80,88,95],{"id":81,"name":82,"entrytype":9,"csystem":38,"ima_formula":83,"mindat_formula":83,"hmin":84,"hmax":46,"dmeas":85,"dcalc":86,"primary_image_id":87},1341,"Danalite","Be\u003Csub>3\u003C\u002Fsub>Fe\u003Csup>2+\u003C\u002Fsup>\u003Csub>4\u003C\u002Fsub>(SiO\u003Csub>4\u003C\u002Fsub>)\u003Csub>3\u003C\u002Fsub>S",5.5,"3.28","3.36",6816,{"id":89,"name":90,"entrytype":9,"csystem":38,"ima_formula":91,"mindat_formula":91,"hmin":46,"hmax":47,"dmeas":92,"dcalc":93,"primary_image_id":94},1855,"Helvine","Be\u003Csub>3\u003C\u002Fsub>Mn\u003Csup>2+\u003C\u002Fsup>\u003Csub>4\u003C\u002Fsub>(SiO\u003Csub>4\u003C\u002Fsub>)\u003Csub>3\u003C\u002Fsub>S","3.2","3.23",11105,{"id":96,"name":97,"entrytype":9,"csystem":98,"ima_formula":99,"mindat_formula":100,"hmin":101,"hmax":101,"dmeas":102,"dcalc":103,"primary_image_id":104},4044,"Tugtupite","Tetragonal","Na\u003Csub>4\u003C\u002Fsub>BeAlSi\u003Csub>4\u003C\u002Fsub>O\u003Csub>12\u003C\u002Fsub>Cl","(BeAlSi)Na\u003Csub>4\u003C\u002Fsub>(SiO\u003Csub>4\u003C\u002Fsub>)\u003Csub>3\u003C\u002Fsub>Cl",4,"2.33","2.34",24705,[],[],[108],{"id":109,"txt":110,"latitude":11,"longitude":11,"country":111},123296,"West Cheyenne Canyon, Cheyenne Mining District (St. Peters Dome Mining District), El Paso County, Colorado, USA","USA",69,[114,118,122,126,130,133,137,141,145,149,153,157,161,166,170,174,178,182,186,190,194,198,202,207,211,214,219],{"id":115,"year":116,"html":117,"doi":11},16110224,1892,"Genth, F.A. (1892) Contributions to mineralogy; No. 54. American Journal of Science: 44: 385.",{"id":119,"year":120,"html":121,"doi":11},521427,1944,"Glass, Jewell J., Jahns, Richard H., Stevens, and Rollin E (1944) Helvite and danalite from New Mexico and the helvite group. \u003Ci>American Mineralogist\u003C\u002Fi>,  29 (5-6) 163-191 \u003Ca target='_blank' href='http:\u002F\u002Fwww.minsocam.org\u002Fammin\u002FAM29\u002FAM29_163.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":123,"year":124,"html":125,"doi":11},522404,1953,"Glass, Jewell J., Adams, John W. (1953) Notes and news: Genthelvite crystal from El Paso County, Colorado. \u003Ci>American Mineralogist\u003C\u002Fi>,  38 (9-10) 858-859 \u003Ca target='_blank' href='http:\u002F\u002Fwww.minsocam.org\u002Fammin\u002FAM38\u002FAM38_858.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":127,"year":128,"html":129,"doi":11},522930,1957,"Scott, Glenn R. (1957) Genthelvite from Cookstove Mountain, El Paso County, Colorado. \u003Ci>American Mineralogist\u003C\u002Fi>,  42 (5-6) 425-429 \u003Ca target='_blank' href='http:\u002F\u002Fwww.minsocam.org\u002Fammin\u002FAM42\u002FAM42_425.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":131,"year":128,"html":132,"doi":11},16110227,"Eskova, E.M. (1957) Genthelvite from alkaline pegmatites. Doklady Akademii Nauk SSSR: 116(3): 481-483.",{"id":134,"year":135,"html":136,"doi":11},523301,1959,"Knorring, O. von, Dyson, P. (1959) Notes and News: An occurrence of genthelvite in the Younger Granite Province of Northern Nigeria. \u003Ci>American Mineralogist\u003C\u002Fi>,  44 (11-12) 1294-1297 \u003Ca target='_blank' href='http:\u002F\u002Fwww.minsocam.org\u002Fammin\u002FAM44\u002FAM44_1294.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":138,"year":139,"html":140,"doi":11},16110230,1961,"Vasil’ev, V.A. (1961) About genthelvite. Zap. Vseross. Mineral. Obs.: 90: 571-578.",{"id":142,"year":139,"html":143,"doi":144},5647,"Kingsbury, Arthur W. G. (1961) Beryllium minerals in Cornwall and Devon: helvine, genthelvite, and danalite. \u003Ci>Mineralogical Magazine and Journal of the Mineralogical Society\u003C\u002Fi>,  32 (255) 921-940 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1180\u002Fminmag.1961.032.255.01'>doi:10.1180\u002Fminmag.1961.032.255.01\u003C\u002Fa> \u003Ca target='_blank' href='https:\u002F\u002Frruff.info\u002Fdoclib\u002FMinMag\u002FVolume_32\u002F32-255-921.pdf' class='refpdflink'>\u003C\u002Fa>","10.1180\u002Fminmag.1961.032.255.01",{"id":146,"year":147,"html":148,"doi":11},16110231,1963,"Gurvich, S.I., Galetski, L.S., Zubkov, L. (1963) Genthelvite from silicified syenites. Doklady Akademii Nauk SSSR: 150(5): 1123.",{"id":150,"year":151,"html":152,"doi":11},16110232,1966,"Galetsky, L.S. (1966) On the unusual paragenesis of genthelvite and eassiterite. Mineral. Sbornik: 20: 46-52.",{"id":154,"year":155,"html":156,"doi":11},16110233,1971,"Galetsky, L.S. (1971) Genthelvite mineralization as a new high quality type of beryllium mineral materials. Geolohia rudnykh mestorozhdeniy: 13(3): 21-30.",{"id":158,"year":159,"html":160,"doi":11},16110234,1972,"Haapala, I., Ojanperä, P. (1972) Genthelvite-bearing greisens in southern Finland. Bulletin of the Geological Survey of Finland: 259: 1-22.",{"id":162,"year":163,"html":164,"doi":165},6943,1976,"Dunn, Pete J. (1976) Genthelvite and the helvine group. \u003Ci>Mineralogical Magazine\u003C\u002Fi>,  40 (314) 627-636 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1180\u002Fminmag.1976.040.314.10'>doi:10.1180\u002Fminmag.1976.040.314.10\u003C\u002Fa> \u003Ca target='_blank' href='https:\u002F\u002Frruff.info\u002Fdoclib\u002FMinMag\u002FVolume_40\u002F40-314-627.pdf' class='refpdflink'>\u003C\u002Fa>","10.1180\u002Fminmag.1976.040.314.10",{"id":167,"year":163,"html":168,"doi":169},6944,"Clark, A. M., Fejer, E. E. (1976) Zoned genthelvite from the Cairngorm Mountains, Scotland. \u003Ci>Mineralogical Magazine\u003C\u002Fi>,  40 (314) 637-639 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1180\u002Fminmag.1976.040.314.11'>doi:10.1180\u002Fminmag.1976.040.314.11\u003C\u002Fa> \u003Ca target='_blank' href='https:\u002F\u002Frruff.info\u002Fdoclib\u002FMinMag\u002FVolume_40\u002F40-314-637.pdf' class='refpdflink'>\u003C\u002Fa>","10.1180\u002Fminmag.1976.040.314.11",{"id":171,"year":172,"html":173,"doi":11},12907098,1977,"Dunn, Pete J. (1977) The Helvite Group. \u003Ci>The Mineralogical Record\u003C\u002Fi>, 8 (2) 92-93",{"id":175,"year":176,"html":177,"doi":11},528051,1985,"Hassan, Ishmael, Grundy, H. Douglas (1985) The crystal structures of helvite group minerals, (Mn,Fe,Zn)8(Be6Si6O24)S2. \u003Ci>American Mineralogist\u003C\u002Fi>,  70 (1-2) 186-192 \u003Ca target='_blank' href='http:\u002F\u002Fwww.minsocam.org\u002Fammin\u002FAM70\u002FAM70_186.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":179,"year":180,"html":181,"doi":11},528577,1988,"Burt, Donald M. (1988) Stability of genthelvite, Zn4(BeSiO4)3S: An exercise in chalcophilicity using exchange operators. \u003Ci>American Mineralogist\u003C\u002Fi>,  73 (11-12) 1384-1394 \u003Ca target='_blank' href='http:\u002F\u002Fwww.minsocam.org\u002Fammin\u002FAM73\u002FAM73_1384.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":183,"year":184,"html":185,"doi":11},528917,1990,"Perez, Jean-baptiste; Dusausoy, Yves; Babkine, Jean; Pagel, Maurice (1990) Mn zonation and fluid inclusions in genthelvite from the Taghouaji complex (Aïr Mountains, Niger). \u003Ci>American Mineralogist\u003C\u002Fi>,  75 (7-8). 909-914 \u003Ca target='_blank' href='http:\u002F\u002Fwww.minsocam.org\u002Fammin\u002FAM75\u002FAM75_909.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":187,"year":184,"html":188,"doi":189},1634,"Finch, Adrian A. (1990) Genthelvite and willemite, zinc minerals associated with alkaline magmatism from the Motzfeldt centre, South Greenland. \u003Ci>Mineralogical Magazine\u003C\u002Fi>,  54 (376) 407-412 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1180\u002Fminmag.1990.054.376.05'>doi:10.1180\u002Fminmag.1990.054.376.05\u003C\u002Fa> \u003Ca target='_blank' href='https:\u002F\u002Frruff.info\u002Fdoclib\u002FMinMag\u002FVolume_54\u002F54-376-407.pdf' class='refpdflink'>\u003C\u002Fa>","10.1180\u002Fminmag.1990.054.376.05",{"id":191,"year":192,"html":193,"doi":11},16964540,2001,"(2001) Genthelvite. \u003Ci>Handbook of Mineralogy\u003C\u002Fi>. Mineralogical Society of America \u003Ca target='_blank' href='https:\u002F\u002Fwww.handbookofmineralogy.org\u002Fpdfs\u002Fgenthelvite.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":195,"year":196,"html":197,"doi":11},16110241,2003,"Cianciulli, J., Verbeek, E.R. (2003) Genthelvite from Ogdensburg, New Jersey. The Picking Table: 44: 23-26.",{"id":199,"year":200,"html":201,"doi":11},16110242,2009,"Leavens,; P.B.,; Zullo,; J.,; Verbeek,; E., (2009) A complex, genthelvite-bearing skarn from the Passaic pit, Sterling Hill mine, Ogdensburg. \u003Ci>Axis\u003C\u002Fi>,  5. 1-26",{"id":203,"year":204,"html":205,"doi":206},64814,2010,"Antao, S. M., Hassan, I. (2010) A two-phase intergrowth in genthelvite from Mont Saint-Hilaire, Quebec. \u003Ci>The Canadian Mineralogist\u003C\u002Fi>,  48 (5) 1217-1223 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.3749\u002Fcanmin.48.5.1217'>doi:10.3749\u002Fcanmin.48.5.1217\u003C\u002Fa>","10.3749\u002Fcanmin.48.5.1217",{"id":208,"year":209,"html":210,"doi":11},15963180,2011,"Colombo, F., & González del Tanago, J. (2011). Crystal chemistry of blue genthelvite from the El Criollo pegmatite, Cordoba, Argentina. EG 2011 Argentina. Asociación Geológica Argentina, Serie “D, 53-56.",{"id":212,"year":209,"html":213,"doi":11},16110244,"Galets’kyi, L.S., Romaniuk, L.S. (2011) Geological and geochemical conditions of formation of Perzhansk genthelvite deposits. Proceedings of the Ukrainian Mineralogical Society (Zapysky ukrainskoho mineralohichnoho tovarystva), Kyiv: 8: 41-45.",{"id":215,"year":216,"html":217,"doi":218},65424,2017,"Zito, Gary, Hanson, Sarah L. (2017) Genthelvite Overgrowths On Danalite Cores From A Pegmatite Miarolitic Cavity In Cheyenne Canyon, El Paso County, Colorado. \u003Ci>The Canadian Mineralogist\u003C\u002Fi>,  55 (2) 195-206 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.3749\u002Fcanmin.1600066'>doi:10.3749\u002Fcanmin.1600066\u003C\u002Fa>","10.3749\u002Fcanmin.1600066",{"id":220,"year":221,"html":222,"doi":223},13421444,2021,"Czaja, Maria, Lisiecki, Radosław, Juroszek, Rafał, Krzykawski, Tomasz (2021) Luminescence Properties of Tetrahedral Coordinated Mn2+; Genthelvite and Willemite Examples. \u003Ci>Minerals\u003C\u002Fi>, 11 (11) 1215 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.3390\u002Fmin11111215'>doi:10.3390\u002Fmin11111215\u003C\u002Fa> \u003Ca target='_blank' href='https:\u002F\u002Fwww.mdpi.com\u002F2075-163X\u002F11\u002F11\u002F1215\u002Fpdf?version=1635605080' class='refpdflink'>\u003C\u002Fa>","10.3390\u002Fmin11111215",[225,235,243,250,258,268,275,283,292,298,305,311,318,325,332,338,345,352,361,368,375,381,386,393,400],{"id":226,"source_url":227,"license_code":228,"credit_html":229,"title":230,"description":231,"author":232,"original_width":233,"original_height":234},9778,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10030118","CC BY-SA 3.0","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10030118\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Genthelvite-20246.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FGenthelvite\" class=\"extiw\" title=\"en:Genthelvite\">Genthelvite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Poudrette quarry (Demix quarry; Uni-Mix quarry; Desourdy quarry), \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FMont_Saint-Hilaire\" class=\"extiw\" title=\"en:Mont Saint-Hilaire\">Mont Saint-Hilaire\u003C\u002Fa>, Rouville RCM, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FMont%C3%A9r%C3%A9gie\" class=\"extiw\" title=\"en:Montérégie\">Montérégie\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FQuebec\" class=\"extiw\" title=\"en:Quebec\">Québec\u003C\u002Fa>, Canada (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-599.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>A remarkable specimen of unusually large Genthelvite crystals to over 1 cm, with rich translucent grass-green color! Unusually attractive display-quality example of this often-earthy and ugly mineral species, PLUS it is of significant size and quality - what better combo is there?! 2 x 1.3 x 1.2 cm\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>","Robert M. Lavinsky",750,563,{"id":236,"source_url":237,"license_code":228,"credit_html":238,"title":239,"description":240,"author":232,"original_width":241,"original_height":242},9779,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10124516","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10124516\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Genthelvite-34721.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FGenthelvite\" class=\"extiw\" title=\"en:Genthelvite\">Genthelvite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Poudrette quarry (Demix quarry; Uni-Mix quarry; Desourdy quarry), \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FMont_Saint-Hilaire\" class=\"extiw\" title=\"en:Mont Saint-Hilaire\">Mont Saint-Hilaire\u003C\u002Fa>, Rouville RCM, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FMont%C3%A9r%C3%A9gie\" class=\"extiw\" title=\"en:Montérégie\">Montérégie\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FQuebec\" class=\"extiw\" title=\"en:Quebec\">Québec\u003C\u002Fa>, Canada (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-599.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>A complete floater, sharp as heck, and just a superb example of this very rare species, from a single pocket collected about 2 years ago that features unusually large, unusually translucent, unusually pretty pastel green crystals. 1.4 x 0.9 x 0.6 cm\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",526,600,{"id":244,"source_url":245,"license_code":228,"credit_html":246,"title":247,"description":248,"author":232,"original_width":249,"original_height":242},9780,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10124519","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10124519\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Genthelvite-34722.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FGenthelvite\" class=\"extiw\" title=\"en:Genthelvite\">Genthelvite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Poudrette quarry (Demix quarry; Uni-Mix quarry; Desourdy quarry), \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FMont_Saint-Hilaire\" class=\"extiw\" title=\"en:Mont Saint-Hilaire\">Mont Saint-Hilaire\u003C\u002Fa>, Rouville RCM, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FMont%C3%A9r%C3%A9gie\" class=\"extiw\" title=\"en:Montérégie\">Montérégie\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FQuebec\" class=\"extiw\" title=\"en:Quebec\">Québec\u003C\u002Fa>, Canada (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-599.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>A complete floater, with multiple sharp translucent pastel green crystals to over 1 cm in size; and just a superb example of this very rare species from a single pocket collected about 2 years ago, that features unusually large, unusually translucent, unusually pretty crystals. 2 x 1.5 x 1.1 cm\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",587,{"id":251,"source_url":252,"license_code":228,"credit_html":253,"title":254,"description":255,"author":232,"original_width":256,"original_height":257},9781,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10158227","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10158227\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Genthelvite-197433.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FGenthelvite\" class=\"extiw\" title=\"en:Genthelvite\">Genthelvite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Zagi Mountain (Zegi Mountain), Mulla Ghori, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FKhyber_Agency\" class=\"extiw\" title=\"en:Khyber Agency\">Khyber Agency\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FFederally_Administered_Tribal_Areas\" class=\"extiw\" title=\"en:Federally Administered Tribal Areas\">Federally Administered Tribal Areas (FATA)\u003C\u002Fa>, Pakistan (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-51430.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: 3.7 x 3.3 x 2.5 cm.\u003C\u002Fdd>\n\u003Cdd>A huge crystal for the species, not the largest known but among the better large crystals for aesthetics and form. When strongly backlit, this is translucent.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",755,800,{"id":259,"source_url":260,"license_code":261,"credit_html":262,"title":263,"description":264,"author":265,"original_width":266,"original_height":267},9783,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=27362016","Public domain","Modris Baum, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=27362016\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Genthelvite-171476.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FGenthelvite\" class=\"extiw\" title=\"en:Genthelvite\">Genthelvite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FAegirine\" class=\"extiw\" title=\"en:Aegirine\">Aegirine\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Poudrette quarry (Demix quarry; Uni-Mix quarry; Desourdy quarry; Carrière Mont Saint-Hilaire), Mont Saint-Hilaire, Rouville RCM, Montérégie, Québec, Canada\u003C\u002Fdd>\n\u003Cdd>Xls to 2⅛ mm on edge. Via Jean-Pierre Beckerich (2003) MOB coll.\u003C\u002Fdd>\n\u003Cdd>A very clean and sharp penetration twin. The xls are quite gemmy, something that is more apparent in stereo. See the child photo. From a pegmatite with kupletskite, microcline, albite, polylithionite and pale blue fluorite. Small xls of the last three are visible at the top.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>","Modris Baum",620,1024,{"id":269,"source_url":270,"license_code":228,"credit_html":271,"title":272,"description":273,"author":232,"original_width":257,"original_height":274},56367,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10430254","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10430254\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Genthelvite-den07-08a.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FGenthelvite\" class=\"extiw\" title=\"en:Genthelvite\">Genthelvite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Zagi Mountain (Zegi Mountain), Mulla Ghori, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FKhyber_Agency\" class=\"extiw\" title=\"en:Khyber Agency\">Khyber Agency\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FFederally_Administered_Tribal_Areas\" class=\"extiw\" title=\"en:Federally Administered Tribal Areas\">Federally Administered Tribal Areas (FATA)\u003C\u002Fa>, Pakistan (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-51430.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: miniature, 3.5 x 2.7 x 1.8 cm\n\u003Cdl>\u003Cdt>Genthelvite\u003C\u002Fdt>\u003C\u002Fdl>\u003C\u002Fdd>\n\u003Cdd>This miniature features the sharpest matrix genthelvite crystal I have yet seen from here, a beautiful, translucent root-beer-colored crystal measuring 1.3 cm across and showing exquisite form.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",714,{"id":276,"source_url":277,"license_code":228,"credit_html":278,"title":279,"description":280,"author":232,"original_width":281,"original_height":282},56368,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10447164","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10447164\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Genthelvite-denv08-25b.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FGenthelvite\" class=\"extiw\" title=\"en:Genthelvite\">Genthelvite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Zagi Mountain (Zegi Mountain), Mulla Ghori, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FKhyber_Agency\" class=\"extiw\" title=\"en:Khyber Agency\">Khyber Agency\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FFederally_Administered_Tribal_Areas\" class=\"extiw\" title=\"en:Federally Administered Tribal Areas\">Federally Administered Tribal Areas (FATA)\u003C\u002Fa>, Pakistan (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-51430.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: miniature, 3.7 x 3.3 x 2.5 cm\n\u003Cdl>\u003Cdt>Genthelvite (large XL!)\u003C\u002Fdt>\u003C\u002Fdl>\u003C\u002Fdd>\n\u003Cdd>A huge crystal for the species, not the largest known but among the better large crystals for aesthetics and form, I think you can say. When strongly backlit, this is translucent. In a case, it shows remarkable, sharp symmetry that is immediately recognizable if you do a doubletake and realize you are not looking at a thumbnail here.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",400,271,{"id":284,"source_url":285,"license_code":286,"credit_html":287,"title":288,"description":289,"author":290,"original_width":267,"original_height":291},9785,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=27362434","CC BY 3.0","Kelly Nash, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=27362434\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Genthelvite-503826.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FGenthelvite\" class=\"extiw\" title=\"en:Genthelvite\">Genthelvite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Huanggang Fe-Sn deposit (Huanggangliang Mine; Huanggang Mine), Hexigten Banner (Keshiketeng Co.), Ulanhad League (Chifeng Prefecture), Inner Mongolia Autonomous Region, China\u003C\u002Fdd>\n\u003Cdd>\u003Ci>Original description:\u003C\u002Fi> Small cluster of lustrous pink\u002Fbrown genthelvite crystals, 18 x 18 x 14 mm. K. Nash specimen and photo.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>","Kelly Nash",925,{"id":293,"source_url":294,"license_code":228,"credit_html":295,"title":296,"description":280,"author":232,"original_width":281,"original_height":297},56369,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10447165","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10447165\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Genthelvite-denv08-25c.jpg",262,{"id":299,"source_url":300,"license_code":228,"credit_html":301,"title":302,"description":303,"author":232,"original_width":304,"original_height":281},56372,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10463207","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10463207\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Genthelvite-sf34c.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FGenthelvite\" class=\"extiw\" title=\"en:Genthelvite\">Genthelvite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Mt. St. Hilaire, Quebec, Canada\u003C\u002Fdd>\n\u003Cdd>Size: thumbnail, 1.4 x 0.9 x 0.6 cm\n\u003Cdl>\u003Cdt>Genthelvite\u003C\u002Fdt>\u003C\u002Fdl>\u003C\u002Fdd>\n\u003Cdd>A complete floater, sharp as heck, and just a superb example of this very rare species, from a single pocket collected about 2 years ago that features unusually large, unusually translucent, unusually pretty pastel green crystals.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",339,{"id":306,"source_url":307,"license_code":228,"credit_html":308,"title":309,"description":303,"author":232,"original_width":310,"original_height":281},56373,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10463211","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10463211\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Genthelvite-sf34b.jpg",343,{"id":312,"source_url":313,"license_code":228,"credit_html":314,"title":315,"description":316,"author":232,"original_width":317,"original_height":281},56374,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10463214","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10463214\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Genthelvite-sf36b.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FGenthelvite\" class=\"extiw\" title=\"en:Genthelvite\">Genthelvite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Mt. St. Hilaire, Quebec, Canada\u003C\u002Fdd>\n\u003Cdd>Size: thumbnail, 2 x 1.5 x 1.1 cm\n\u003Cdl>\u003Cdt>Genthelvite\u003C\u002Fdt>\u003C\u002Fdl>\u003C\u002Fdd>\n\u003Cdd>A complete floater, with multiple sharp translucent pastel green crystals to over 1 cm in size; and just a superb example of this very rare species from a single pocket collected about 2 years ago, that features unusually large, unusually translucent, unusually pretty crystals.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",381,{"id":319,"source_url":320,"license_code":228,"credit_html":321,"title":322,"description":323,"author":232,"original_width":242,"original_height":324},56375,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10464500","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10464500\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Genthelvite-t06-18a.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FGenthelvite\" class=\"extiw\" title=\"en:Genthelvite\">Genthelvite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Zagi Mountain (Zegi Mountain), Mulla Ghori, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FKhyber_Agency\" class=\"extiw\" title=\"en:Khyber Agency\">Khyber Agency\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FFederally_Administered_Tribal_Areas\" class=\"extiw\" title=\"en:Federally Administered Tribal Areas\">Federally Administered Tribal Areas (FATA)\u003C\u002Fa>, Pakistan (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-51430.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: thumbnail, 2.1 x 1.7 x 0.8 cm\n\u003Cdl>\u003Cdt>Genthelvite\u003C\u002Fdt>\u003C\u002Fdl>\u003C\u002Fdd>\n\u003Cdd>This is an extremely rare, very large crystal of the REE species Genthelvite . It is so rare that I am aware of only a handful from any location, notably MSH in Quebec, and of only a few other crystals from this locale which is now famous for other REE mineral species such as bastnaesite and parisite. It is the only one of quality, that I have seen for sale recently, in fact. Rightmost photo shows it backlit.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",493,{"id":326,"source_url":327,"license_code":228,"credit_html":328,"title":329,"description":330,"author":232,"original_width":331,"original_height":242},56376,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10464833","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10464833\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Genthelvite-t06-344a.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FGenthelvite\" class=\"extiw\" title=\"en:Genthelvite\">Genthelvite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Zagi Mountain (Zegi Mountain), Mulla Ghori, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FKhyber_Agency\" class=\"extiw\" title=\"en:Khyber Agency\">Khyber Agency\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FFederally_Administered_Tribal_Areas\" class=\"extiw\" title=\"en:Federally Administered Tribal Areas\">Federally Administered Tribal Areas (FATA)\u003C\u002Fa>, Pakistan (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-51430.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: miniature, 4.6 x 4.3 x 4.2 cm\n\u003Cdl>\u003Cdt>Genthelvite\u003C\u002Fdt>\u003C\u002Fdl>\u003C\u002Fdd>\n\u003Cdd>Perched in a small vug in the matrix are two lustrous, brown crystals, to 1.0 cm across, of the rare zinc, beryllium, silicate, sulfide, genthelvite. The unusual chemistry that helped create bastnaesite has also created this rare species.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",579,{"id":333,"source_url":334,"license_code":228,"credit_html":335,"title":336,"description":330,"author":232,"original_width":281,"original_height":337},56377,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10464835","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10464835\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Genthelvite-t06-344b.jpg",376,{"id":339,"source_url":340,"license_code":228,"credit_html":341,"title":342,"description":343,"author":232,"original_width":344,"original_height":242},56366,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10124514","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10124514\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Genthelvite-Albite-34719.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FGenthelvite\" class=\"extiw\" title=\"en:Genthelvite\">Genthelvite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FAlbite\" class=\"extiw\" title=\"en:Albite\">Albite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Poudrette quarry (Demix quarry; Uni-Mix quarry; Desourdy quarry), \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FMont_Saint-Hilaire\" class=\"extiw\" title=\"en:Mont Saint-Hilaire\">Mont Saint-Hilaire\u003C\u002Fa>, Rouville RCM, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FMont%C3%A9r%C3%A9gie\" class=\"extiw\" title=\"en:Montérégie\">Montérégie\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FQuebec\" class=\"extiw\" title=\"en:Quebec\">Québec\u003C\u002Fa>, Canada (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-599.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>A superb example of this very rare species, from a single pocket collected about 2 years ago that features unusually large, unusually translucent, unusually pretty pastel green crystals. This specimen has one fairly clean repair to the backside of the main crystal, as shown in the lower photo. 2.1 x 1.7 x 1.5 cm\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",479,{"id":346,"source_url":347,"license_code":228,"credit_html":348,"title":349,"description":350,"author":232,"original_width":351,"original_height":242},13765,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10124515","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10124515\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Genthelvite-Kupletskite-(Cs)-34720.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FGenthelvite\" class=\"extiw\" title=\"en:Genthelvite\">Genthelvite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FKupletskite-(Cs)\" class=\"extiw\" title=\"en:Kupletskite-(Cs)\">Kupletskite-(Cs)\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Poudrette quarry (Demix quarry; Uni-Mix quarry; Desourdy quarry), \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FMont_Saint-Hilaire\" class=\"extiw\" title=\"en:Mont Saint-Hilaire\">Mont Saint-Hilaire\u003C\u002Fa>, Rouville RCM, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FMont%C3%A9r%C3%A9gie\" class=\"extiw\" title=\"en:Montérégie\">Montérégie\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FQuebec\" class=\"extiw\" title=\"en:Quebec\">Québec\u003C\u002Fa>, Canada (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-599.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>A superb example of this very rare species, from a single pocket collected about 2 years ago that features unusually large, unusually translucent, unusually pretty pastel green crystals. 1.4 x 0.9 x 0.9 cm\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",537,{"id":353,"source_url":354,"license_code":228,"credit_html":355,"title":356,"description":357,"author":358,"original_width":359,"original_height":360},9782,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=21959335","Parent Géry, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=21959335\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Genthelvite, calcite.JPG","crystals of genthelvite, crystals of calcite : : Huanggang (Huanggangliang) Fe-Sn deposit, Hexigten Banner (Keshiketeng Co.), Ulanhad League (Chifeng Prefecture), Inner Mongolia Autonomus Region, China - genthelvite : 20 mm","Parent Géry",4288,2848,{"id":362,"source_url":363,"license_code":261,"credit_html":364,"title":365,"description":366,"author":265,"original_width":267,"original_height":367},9784,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=27362224","Modris Baum, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=27362224\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Genthelvite, Aegirine, Albite-171847.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FGenthelvite\" class=\"extiw\" title=\"en:Genthelvite\">Genthelvite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FAegirine\" class=\"extiw\" title=\"en:Aegirine\">Aegirine\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FAlbite\" class=\"extiw\" title=\"en:Albite\">Albite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Poudrette quarry (Demix quarry; Uni-Mix quarry; Desourdy quarry; Carrière Mont Saint-Hilaire), Mont Saint-Hilaire, Rouville RCM, Montérégie, Québec, Canada\u003C\u002Fdd>\n\u003Cdd>The yellow genthelvite is ~ 8-9 mm on edge, Via Daniel C. MOB coll.\u003C\u002Fdd>\n\u003Cdd>The black \"sticks\" are broken aegirine. The white stuff is mostly tiny albite blades (with some tan microlcline peeking through). There are also small dark red\u002Fbrown octahedra of pyrochlore and blebs of rhodochrosite but they are too small to be distinct at this scale.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",810,{"id":369,"source_url":370,"license_code":228,"credit_html":371,"title":372,"description":373,"author":232,"original_width":281,"original_height":374},56370,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10463203","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10463203\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Albite-Genthelvite-sf32b.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FAlbite\" class=\"extiw\" title=\"en:Albite\">Albite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FGenthelvite\" class=\"extiw\" title=\"en:Genthelvite\">Genthelvite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Mt. St. Hilaire, Quebec, Canada\u003C\u002Fdd>\n\u003Cdd>Size: thumbnail, 2.1 x 1.7 x 1.5 cm\n\u003Cdl>\u003Cdt>Genthelvite on Albite\u003C\u002Fdt>\u003C\u002Fdl>\u003C\u002Fdd>\n\u003Cdd>A superb example of this very rare species, from a single pocket collected about 2 years ago that features unusually large, unusually translucent, unusually pretty pastel green crystals. This specimen has one fairly clean repair to the backside of the main crystal, as shown in the lower photo. Hence, it is priced at $250 instead of $1000. Still, it is relatively a bargain and both displays well and hosts a major crystal for the species.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",320,{"id":376,"source_url":377,"license_code":228,"credit_html":378,"title":379,"description":373,"author":232,"original_width":380,"original_height":281},56371,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10463204","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10463204\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Albite-Genthelvite-sf32c.jpg",398,{"id":382,"source_url":383,"license_code":228,"credit_html":384,"title":385,"description":357,"author":358,"original_width":359,"original_height":360},56378,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=21959334","Parent Géry, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=21959334\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Genthelvite, calcite 1.JPG",{"id":387,"source_url":388,"license_code":261,"credit_html":389,"title":390,"description":391,"author":265,"original_width":392,"original_height":267},56379,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=27362109","Modris Baum, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=27362109\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Genthelvite, Polylithionite, Aegirine, Albite, Rhodochrosite, Pyrochlore Group-171612.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FGenthelvite\" class=\"extiw\" title=\"en:Genthelvite\">Genthelvite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FAegirine\" class=\"extiw\" title=\"en:Aegirine\">Aegirine\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FPolylithionite\" class=\"extiw\" title=\"en:Polylithionite\">Polylithionite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FAlbite\" class=\"extiw\" title=\"en:Albite\">Albite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FRhodochrosite\" class=\"extiw\" title=\"en:Rhodochrosite\">Rhodochrosite\u003C\u002Fa>, Pyrochlore Group\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Poudrette quarry (Demix quarry; Uni-Mix quarry; Desourdy quarry; Carrière Mont Saint-Hilaire), Mont Saint-Hilaire, Rouville RCM, Montérégie, Québec, Canada\u003C\u002Fdd>\n\u003Cdd>The portion shown is ~ 3 cm tall. The genthelvite \"triangle\" is ~ 7 mm on edge. MOB coll.\u003C\u002Fdd>\n\u003Cdd>The yellow micaceous plates on top are polylithionite. The black prisms are aegirine. The white blades are albite. The rhodochrosite is the reddish blob in the center. The pyrochlore octahedrons are very small but a few can be just barely seen even at this scale (e.g. to the left of the lh tip of the genthelvite).\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",703,{"id":394,"source_url":395,"license_code":261,"credit_html":396,"title":397,"description":398,"author":265,"original_width":399,"original_height":267},10209,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=27362296","Modris Baum, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=27362296\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Genthelvite, Analcime, Aegirine, Natrolite-250349.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FGenthelvite\" class=\"extiw\" title=\"en:Genthelvite\">Genthelvite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FAnalcime\" class=\"extiw\" title=\"en:Analcime\">Analcime\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FAegirine\" class=\"extiw\" title=\"en:Aegirine\">Aegirine\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FAlbite\" class=\"extiw\" title=\"en:Albite\">Albite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Poudrette quarry (Demix quarry; Uni-Mix quarry; Desourdy quarry; Carrière Mont Saint-Hilaire), Mont Saint-Hilaire, Rouville RCM, Montérégie, Québec, Canada\u003C\u002Fdd>\n\u003Cdd>The genthelvite has a nice color but is stuck between two large analcime xls which make it difficult to get a good angle for a photo.\u003C\u002Fdd>\n\u003Cdd>The small white xls are natrolite with (probably) gonnardite exteriors. When the specimen was found, this stuff almost completely covered the genthelvite but has since crumbled away.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",857,{"id":401,"source_url":402,"license_code":286,"credit_html":403,"title":404,"description":405,"author":406,"original_width":267,"original_height":407},56380,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=27362526","John Sobolewski (JSS), via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=27362526\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Genthelvite, Aegirine-548139.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FGenthelvite\" class=\"extiw\" title=\"en:Genthelvite\">Genthelvite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FAegirine\" class=\"extiw\" title=\"en:Aegirine\">Aegirine\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Sandøya, Langesundsfjorden, Porsgrunn, Telemark, Norway\u003C\u002Fdd>\n\u003Cdd>\u003Ci>Original description:\u003C\u002Fi> A small yellowish crystal of Genthelvite with some elongated Aegirine crystals. FOV 1 cm. JSS specimen and photo.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>","John Sobolewski (JSS)",768,[409],{"id":410,"url":411,"label":412,"formula":413,"spacegroup":414,"year":176},5484,"\u002Fcif\u002F5484.cif","Hassan 1985","Zn4 O12 Be3 Si3 S","P -4 3 n",[416,417],"Genthelviet","Genthelvit",[419,423,427,431,434],{"lang":420,"names":421},"ca",[422],"genthelvita",{"lang":424,"names":425},"de",[426],"Genthelvin",{"lang":428,"names":429},"eu",[430],"Genthelvita",{"lang":432,"names":433},"it",[7],{"lang":435,"names":436},"uk",[437],"Гентгельвін","Q3760142",{"history":11,"applications":11}]