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Fayalite-Tephroite Series, and the Forsterite-Tephroite Series. 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Mine, Sterling Hill, Ogdensburg, Sussex County, New Jersey, USA",41.0836111,-74.6047222,"USA",175,[301,304,308,313,318,323,327,332,336,341,345,349,352,357,362,366,371,375,380],{"id":302,"year":26,"html":303,"doi":11},16125353,"Breithaupt, A. (1823) Vollständige Charakteristik des Mineral-Systems.- Dresden, 2nd. ed., p. 278.",{"id":305,"year":306,"html":307,"doi":11},16125354,1843,"Rammelsberg, C.F. (1843) Analysis of tephroite: Handbuch  der Mineral-Chemie, 1st ed., 1st suppl., p.80.",{"id":309,"year":310,"html":311,"doi":312},73939,1973,"Peters, Tjerk, Schwander, Hans, Trommsdorff, Volkmar (1973) Assemblages among tephroite, pyroxmangite, rhodochrosite, quartz: Experimental data and occurrences in the Rhetic Alps. \u003Ci>Contributions to Mineralogy and Petrology\u003C\u002Fi>,  42 (4) 325-332 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1007\u002Fbf00372610'>doi:10.1007\u002Fbf00372610\u003C\u002Fa>","10.1007\u002Fbf00372610",{"id":314,"year":315,"html":316,"doi":317},2733945,1975,"Finch, C.B., Clark, G.W., Kopp, O.C. (1975) Growth of single-crystal Mn2SiO4 (tephroite) by Czochralski and edge-defined film-fed (EFG) techniques. \u003Ci>Journal of Crystal Growth\u003C\u002Fi>, 29 (3). 269-272 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1016\u002F0022-0248(75)90170-0'>doi:10.1016\u002F0022-0248(75)90170-0\u003C\u002Fa>","10.1016\u002F0022-0248(75)90170-0",{"id":319,"year":320,"html":321,"doi":322},7984618,1976,"Stidham, H. D., Bates, J. B., Finch, C. B. (1976) Vibrational spectra of synthetic single crystal tephroite, Mn2SiO4. \u003Ci>The Journal of Physical Chemistry\u003C\u002Fi>, 80 (11). 1226-1234 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1021\u002Fj100552a023'>doi:10.1021\u002Fj100552a023\u003C\u002Fa>","10.1021\u002Fj100552a023",{"id":324,"year":320,"html":325,"doi":326},2736740,"Takei, Humihiko (1976) Czochralski growth of Mn2SiO4 (tephroite) single crystal and its properties. \u003Ci>Journal of Crystal Growth\u003C\u002Fi>,  34 (1). 125-131 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1016\u002F0022-0248(76)90270-0'>doi:10.1016\u002F0022-0248(76)90270-0\u003C\u002Fa>","10.1016\u002F0022-0248(76)90270-0",{"id":328,"year":329,"html":330,"doi":331},151036,1978,"Okajima, Shinichi, Suzuki, Isao, Seya, Kiyoshi, Sumino, Yoshio (1978) Thermal expansion of single-crystal tephroite. \u003Ci>Physics and Chemistry of Minerals\u003C\u002Fi>,  3 (2) 111-115 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1007\u002Fbf00308115'>doi:10.1007\u002Fbf00308115\u003C\u002Fa>","10.1007\u002Fbf00308115",{"id":333,"year":334,"html":335,"doi":11},527538,1980,"Francis, Carl A., Ribbe, Paul H. (1980) The forsterite-tephroite series: I. Crystal structure refinements. \u003Ci>American Mineralogist\u003C\u002Fi>,  65 (11-12) 1263-1269 \u003Ca target='_blank' href='http:\u002F\u002Fwww.minsocam.org\u002Fammin\u002FAM65\u002FAM65_1263.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":337,"year":338,"html":339,"doi":340},200404,1981,"Fujino, K., Sasaki, S., Takéuchi, Y., Sadanaga, R. (1981) X-ray determination of electron distributions in forsterite, fayalite and tephroite. \u003Ci>Acta Crystallographica Section B Structural Crystallography and Crystal Chemistry\u003C\u002Fi>,  37 (3) 513-518 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1107\u002Fs0567740881003506'>doi:10.1107\u002Fs0567740881003506\u003C\u002Fa>","10.1107\u002Fs0567740881003506",{"id":342,"year":343,"html":344,"doi":11},16125359,1984,"Urusov, V.S., Lapina, I.V., Kravchuk, I.F., Kabalov, Y.K. (1984) Isomorphism in the forsterite-tephroite series. Geokhimiya: 7: 1047-1055 (in Russian).",{"id":346,"year":347,"html":348,"doi":11},528098,1985,"Francis, Carl A. (1985) New data on the forsterite-tephroite series. \u003Ci>American Mineralogist\u003C\u002Fi>,  70 (5-6) 568-575 \u003Ca target='_blank' href='http:\u002F\u002Fwww.minsocam.org\u002Fammin\u002FAM70\u002FAM70_568.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":350,"year":347,"html":351,"doi":11},16125360,"Urusov, V.S., Lapina, I.V., Kabalov, Y.K., Kravchuk, I.F. (1985) Isomorphism in the forsterite-tephroite series. Geochemistry International: 22: 80-88.",{"id":353,"year":354,"html":355,"doi":356},151942,1991,"Shannon, R.D.; Subramanian, M.A.; Hosoya, S.; Rossman, G.R. (1991) Dielectric constants of tephroite, fayalite and olivine and the oxide additivity rule. \u003Ci>Physics and Chemistry of Minerals\u003C\u002Fi>,  18 (1). 1-6 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1007\u002Fbf00199037'>doi:10.1007\u002Fbf00199037\u003C\u002Fa>","10.1007\u002Fbf00199037",{"id":358,"year":359,"html":360,"doi":361},4128626,1998,"Stüber, Christoph, Laqua, Wolfgang (1998) Point Defects of Tephroite. I: The Electrical Conductivity of Mn2SiO4. \u003Ci>Zeitschrift für Physikalische Chemie\u003C\u002Fi>, 206. 197-218 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1524\u002Fzpch.1998.206.part_1_2.197'>doi:10.1524\u002Fzpch.1998.206.part_1_2.197\u003C\u002Fa>","10.1524\u002Fzpch.1998.206.part_1_2.197",{"id":363,"year":359,"html":364,"doi":365},315,"Redfern, S. A. T., Knight, K. S., Henderson, C. M. B., Wood, B. J. (1998) Fe-Mn cation ordering in fayalite–tephroite (Fe\u003Ci>\u003Csub>x\u003C\u002Fsub>\u003C\u002Fi>Mn\u003Csub>1−\u003Ci>x\u003C\u002Fi>\u003C\u002Fsub>)\u003Csub>2\u003C\u002Fsub>SiO\u003Csub>4\u003C\u002Fsub> olivines: a neutron diffraction study. \u003Ci>Mineralogical Magazine\u003C\u002Fi>,  62 (5) 607-615 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1180\u002F002646198548007'>doi:10.1180\u002F002646198548007\u003C\u002Fa> \u003Ca target='_blank' href='https:\u002F\u002Frruff.info\u002Fdoclib\u002FMinMag\u002FVolume_62\u002F62-5-607.pdf' class='refpdflink'>\u003C\u002Fa>","10.1180\u002F002646198548007",{"id":367,"year":368,"html":369,"doi":370},4665691,1999,"Yamazaki, S.; Toraya, H. (1999) Rietveld refinement of site-occupancy parameters of Mg\u003Csub>2−\u003Ci>x\u003C\u002Fi>\u003C\u002Fsub>Mn\u003Csub>\u003Ci>x\u003C\u002Fi>\u003C\u002Fsub>SiO\u003Csub>4\u003C\u002Fsub> using a new weight function in least-squares fitting. \u003Ci>Journal of Applied Crystallography\u003C\u002Fi>,  32 (1). 51-59 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1107\u002Fs0021889898010206'>doi:10.1107\u002Fs0021889898010206\u003C\u002Fa>","10.1107\u002Fs0021889898010206",{"id":372,"year":373,"html":374,"doi":11},16967651,2001,"(2001) Tephroite. \u003Ci>Handbook of Mineralogy\u003C\u002Fi>. Mineralogical Society of America \u003Ca target='_blank' href='https:\u002F\u002Fwww.handbookofmineralogy.org\u002Fpdfs\u002Ftephroite.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":376,"year":377,"html":378,"doi":379},90225,2008,"MOURI, Takashi, ENAMI, Masaki (2008) Raman spectroscopic study of olivine-group minerals. \u003Ci>Journal of Mineralogical and Petrological Sciences\u003C\u002Fi>,  103 (2) 100-104 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.2465\u002Fjmps.071015'>doi:10.2465\u002Fjmps.071015\u003C\u002Fa> \u003Ca target='_blank' href='https:\u002F\u002Fwww.jstage.jst.go.jp\u002Farticle\u002Fjmps\u002F103\u002F2\u002F103_071015\u002F_pdf' class='refpdflink'>\u003C\u002Fa>","10.2465\u002Fjmps.071015",{"id":381,"year":382,"html":383,"doi":384},129009,2011,"Lin, Chung-Cherng; Chen, Chien-Chih (2011) Elasticity of tephroite (α-Mn2SiO4) and a comparison of the elastic properties of silicate olivines. \u003Ci>European Journal of Mineralogy\u003C\u002Fi>,  23 (1). 35-43 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1127\u002F0935-1221\u002F2011\u002F0023-2077'>doi:10.1127\u002F0935-1221\u002F2011\u002F0023-2077\u003C\u002Fa>","10.1127\u002F0935-1221\u002F2011\u002F0023-2077",[386,393,397,401,411,417,427,435,442,450,458,464,472,480,486,492,497],{"id":387,"source_url":388,"license_code":389,"credit_html":390,"title":7,"description":11,"author":11,"original_width":391,"original_height":392},30817,"https:\u002F\u002Fgeocollections.info\u002Ffile\u002F167185","CC BY-SA 4.0","Photo: Unknown author — http:\u002F\u002Fcreativecommons.org\u002Flicenses\u002Fby-sa\u002F4.0\u002F, courtesy of \u003Ca href=\"https:\u002F\u002Fgeocollections.info\u002Ffile\u002F167185\" rel=\"noopener\">University of Tartu, Natural History Museum\u003C\u002Fa> via Europeana",1000,750,{"id":394,"source_url":395,"license_code":389,"credit_html":396,"title":7,"description":11,"author":11,"original_width":391,"original_height":392},30818,"https:\u002F\u002Fgeocollections.info\u002Ffile\u002F167184","Photo: Unknown author — http:\u002F\u002Fcreativecommons.org\u002Flicenses\u002Fby-sa\u002F4.0\u002F, courtesy of \u003Ca href=\"https:\u002F\u002Fgeocollections.info\u002Ffile\u002F167184\" rel=\"noopener\">University of Tartu, Natural History Museum\u003C\u002Fa> via Europeana",{"id":398,"source_url":399,"license_code":389,"credit_html":400,"title":7,"description":11,"author":11,"original_width":391,"original_height":392},30819,"https:\u002F\u002Fgeocollections.info\u002Ffile\u002F167186","Photo: Unknown author — http:\u002F\u002Fcreativecommons.org\u002Flicenses\u002Fby-sa\u002F4.0\u002F, courtesy of \u003Ca href=\"https:\u002F\u002Fgeocollections.info\u002Ffile\u002F167186\" rel=\"noopener\">University of Tartu, Natural History Museum\u003C\u002Fa> via Europeana",{"id":402,"source_url":403,"license_code":404,"credit_html":405,"title":406,"description":407,"author":408,"original_width":409,"original_height":410},23864,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10171284","CC BY-SA 3.0","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10171284\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Tephroite-273159.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FTephroite\" class=\"extiw\" title=\"en:Tephroite\">Tephroite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Wessels Mine (Wessel's Mine), Hotazel, Kalahari manganese fields, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FNorthern_Cape\" class=\"extiw\" title=\"en:Northern Cape\">Northern Cape Province\u003C\u002Fa>, South Africa (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-3071.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: 5 x 2.3 x 2 cm.\u003C\u002Fdd>\n\u003Cdd>A member of the Olivine group, this mineral is not a very common occurrence at Wessels. The brown crystals here have variations in habit and luster, and are considered by many to be best of species from this locality. The crystals range up to .4 cm in length, and may reach several mm across for the more prismatic form. An important, and excellent, specimen of a very rare crystallized species. Ex. Charlie Key.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>","Robert M. Lavinsky",500,324,{"id":412,"source_url":413,"license_code":404,"credit_html":414,"title":415,"description":407,"author":408,"original_width":409,"original_height":416},23865,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10171286","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10171286\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Tephroite-273160.jpg",439,{"id":418,"source_url":419,"license_code":420,"credit_html":421,"title":422,"description":423,"author":424,"original_width":425,"original_height":426},23861,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=9937493","Public domain","Modris Baum, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=9937493\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Tephroite and Willemite - Franklin Mine, Sussex County, New Jersey, USA.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FTephroite\" class=\"extiw\" title=\"en:Tephroite\">Tephroite\u003C\u002Fa> and \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FWillemite\" class=\"extiw\" title=\"en:Willemite\">Willemite\u003C\u002Fa> (FOV 2.3 x 3.0 mm)\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Franklin Mine, Franklin, Franklin Mining District, Sussex County, New Jersey, USA\u003C\u002Fdd>\n\u003Cdd>Tephroite gets its name from \"ash gray\" - but these crystals look more redish brown. They are even partly transparent. They are associated with water clear, doubly terminated willemite.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>","Modris Baum",793,1024,{"id":428,"source_url":429,"license_code":420,"credit_html":430,"title":431,"description":432,"author":433,"original_width":434,"original_height":434},82340,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=1956257","Dave Dyet http:\u002F\u002Fwww.shutterstone.com http:\u002F\u002Fwww.dyet.com, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=1956257\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Tephroite Manganese silicate Kaao Mine Tochigi-ken Honshu Japan 1816.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":436,"source_url":437,"license_code":404,"credit_html":438,"title":439,"description":440,"author":408,"original_width":392,"original_height":441},23862,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10120446","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10120446\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Tephroite-Willemite-21566.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FTephroite\" class=\"extiw\" title=\"en:Tephroite\">Tephroite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FWillemite\" class=\"extiw\" title=\"en:Willemite\">Willemite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FFranklin_Mine\" class=\"extiw\" title=\"en:Franklin Mine\">Franklin Mine\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FFranklin\" class=\"extiw\" title=\"en:Franklin\">Franklin\u003C\u002Fa>, Franklin Mining District, Sussex County, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FNew_Jersey\" class=\"extiw\" title=\"en:New Jersey\">New Jersey\u003C\u002Fa>, USA (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-8541.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>A classic but rare association to have from Franklin. The tephroite xls large, sharp and easily visible against contrasting acicular willemite (to just under 8 mm in size!). Elling and also the noted old dealer John Albanese both noted on their labels that this is a truly superb specimen 9 x 5 x 4.5 cm\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",563,{"id":443,"source_url":444,"license_code":404,"credit_html":445,"title":446,"description":447,"author":408,"original_width":448,"original_height":449},23863,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10120451","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10120451\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Tephroite-Willemite-21569.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FTephroite\" class=\"extiw\" title=\"en:Tephroite\">Tephroite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FWillemite\" class=\"extiw\" title=\"en:Willemite\">Willemite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FFranklin_Mine\" class=\"extiw\" title=\"en:Franklin Mine\">Franklin Mine\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FFranklin\" class=\"extiw\" title=\"en:Franklin\">Franklin\u003C\u002Fa>, Franklin Mining District, Sussex County, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FNew_Jersey\" class=\"extiw\" title=\"en:New Jersey\">New Jersey\u003C\u002Fa>, USA (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-8541.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>A classic but rare association to have from Franklin. The tephroite xls are small (to just under 1mm,) but sharp and eye-visible. 2.5 x 2.5 x 1.5 cm\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",400,300,{"id":451,"source_url":452,"license_code":420,"credit_html":453,"title":454,"description":455,"author":424,"original_width":456,"original_height":457},82341,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=9937548","Modris Baum, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=9937548\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Tephroite, Zincite, Willemite - Franklin Mine, Sussex County, New Jersey, USA.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FTephroite\" class=\"extiw\" title=\"en:Tephroite\">Tephroite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FZincite\" class=\"extiw\" title=\"en:Zincite\">Zincite\u003C\u002Fa> and \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FWillemite\" class=\"extiw\" title=\"en:Willemite\">Willemite\u003C\u002Fa> (FOV 10.5 x 8 x 7 mm)\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Franklin Mine, Franklin, Franklin Mining District, Sussex County, New Jersey, USA\u003C\u002Fdd>\n\u003Cdd>One of the beloved “Franklin uglies”. The massive tephroite should be “ash gray” but in this specimen it has a violet tinge. Grains of willemite predominate on the rhs. The zincite is very dark red.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",944,720,{"id":459,"source_url":460,"license_code":461,"credit_html":462,"title":185,"description":11,"author":11,"original_width":391,"original_height":463},30820,"https:\u002F\u002Fgeocollections.info\u002Ffile\u002F182232","CC BY 4.0","Photo: Unknown author — http:\u002F\u002Fcreativecommons.org\u002Flicenses\u002Fby\u002F4.0\u002F, courtesy of \u003Ca href=\"https:\u002F\u002Fgeocollections.info\u002Ffile\u002F182232\" rel=\"noopener\">Department of Geology, TalTech\u003C\u002Fa> via Europeana",666,{"id":465,"source_url":466,"license_code":404,"credit_html":467,"title":468,"description":469,"author":408,"original_width":470,"original_height":471},23866,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10174189","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10174189\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Tephroite-Andradite-290004.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FTephroite\" class=\"extiw\" title=\"en:Tephroite\">Tephroite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FAndradite\" class=\"extiw\" title=\"en:Andradite\">Andradite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Wessels Mine (Wessel's Mine), Hotazel, Kalahari manganese fields, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FNorthern_Cape\" class=\"extiw\" title=\"en:Northern Cape\">Northern Cape Province\u003C\u002Fa>, South Africa (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-3071.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: 3.7 x 3.4 x 1.6 cm.\u003C\u002Fdd>\n\u003Cdd>A member of the Olivine group, this mineral is not a very common occurrence at Wessels. The brown crystals here are prismatic in habit and have very good to matte luster, and the Tephroite from this locality is considered by many to be best of species. The crystals range up to an amazing 1 cm in length, and may reach .3 cm across for the larger crystals. One end of the specimen is contacted, but that allows you to see just how gemmy and glassy the Tephroites are internally. An important, and quality, specimen of a very rare crystallized species. Ex. Charlie Key.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",465,384,{"id":473,"source_url":474,"license_code":404,"credit_html":475,"title":476,"description":477,"author":408,"original_width":478,"original_height":479},82342,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10139779","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10139779\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Zincite-Calcite-Tephroite-119643.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FZincite\" class=\"extiw\" title=\"en:Zincite\">Zincite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FCalcite\" class=\"extiw\" title=\"en:Calcite\">Calcite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FTephroite\" class=\"extiw\" title=\"en:Tephroite\">Tephroite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FFranklin_Mine\" class=\"extiw\" title=\"en:Franklin Mine\">Franklin Mine\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FFranklin\" class=\"extiw\" title=\"en:Franklin\">Franklin\u003C\u002Fa>, Franklin Mining District, Sussex County, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FNew_Jersey\" class=\"extiw\" title=\"en:New Jersey\">New Jersey\u003C\u002Fa>, USA (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-8541.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: 9.4 x 7.4 x 3.5 cm.\u003C\u002Fdd>\n\u003Cdd>An OUTSTANDING and showy combination specimen from the famous Franklin Mine of RARE, discrete tephroite crystals to 5 mm, foliated, rust-red zincite and blocky calcite. Super orange fluorescence on the calcite. Ex. George Elling Collection.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",522,624,{"id":481,"source_url":482,"license_code":404,"credit_html":483,"title":484,"description":469,"author":408,"original_width":470,"original_height":485},23867,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10174190","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10174190\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Tephroite-Andradite-290005.jpg",320,{"id":487,"source_url":488,"license_code":404,"credit_html":489,"title":490,"description":477,"author":408,"original_width":409,"original_height":491},82343,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10139780","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10139780\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Zincite-Calcite-Tephroite-119644.jpg",494,{"id":493,"source_url":494,"license_code":404,"credit_html":495,"title":496,"description":469,"author":408,"original_width":470,"original_height":449},23868,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10174191","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10174191\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Tephroite-Andradite-290006.jpg",{"id":498,"source_url":499,"license_code":404,"credit_html":500,"title":501,"description":477,"author":408,"original_width":502,"original_height":503},82344,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10139781","Robert M. 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