[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"minerals:one:109":3},{"id":4,"longid":5,"guid":6,"name":7,"shortcode_ima":8,"entrytype":9,"entrytype_text":10,"varietyof":11,"synid":8,"polytypeof":8,"groupid":8,"weighting":12,"nolocadd":13,"blacklisted":13,"mindat_formula":14,"mindat_formula_note":8,"ima_formula":8,"elements":15,"sigelements":19,"key_elements":20,"impurities":8,"cim":8,"ima_status":8,"ima_notes":8,"ima_history":8,"approval_year":8,"publication_year":8,"discovery_year":8,"strunz10ed1":21,"strunz10ed2":21,"strunz10ed3":21,"strunz10ed4":8,"dana8ed1":21,"dana8ed2":21,"dana8ed3":21,"dana8ed4":21,"csystem":8,"cclass":8,"spacegroup":8,"spacegroupset":21,"a":8,"b":8,"c":8,"alpha":8,"beta":8,"gamma":8,"aerror":8,"berror":8,"cerror":8,"alphaerror":8,"betaerror":8,"gammaerror":8,"va3":8,"z":8,"csmetamict":13,"commentcrystal":8,"twinning":8,"tranglide":8,"parting":8,"epitaxidescription":8,"morphology":8,"tlform":8,"hmin":8,"hmax":8,"hardtype":8,"vhnmin":21,"vhnmax":21,"vhnerror":8,"vhng":8,"vhns":8,"commenthard":8,"dmeas":21,"dmeas2":21,"dcalc":21,"dmeaserror":8,"dcalcerror":8,"commentdense":8,"lustre":8,"lustretype":8,"commentluster":8,"diapheny":8,"streak":8,"colour":8,"commentcolor":8,"colors":8,"streak_colors":8,"luminescence":8,"uv":8,"cleavage":8,"cleavagetype":8,"fracturetype":8,"tenacity":8,"commentbreak":8,"opticaltype":8,"opticalsign":8,"opticalalpha":8,"opticalalpha2":21,"opticalalphaerror":8,"opticalbeta":8,"opticalbeta2":21,"opticalbetaerror":8,"opticalgamma":8,"opticalgamma2":21,"opticalgammaerror":8,"opticalomega":8,"opticalomega2":21,"opticalomegaerror":8,"opticalepsilon":8,"opticalepsilon2":21,"opticalepsilonerror":8,"opticaln":8,"opticaln2":8,"opticalnerror":8,"optical2vcalc":8,"optical2vcalc2":8,"optical2vcalcerror":8,"optical2vmeasured":8,"optical2vmeasured2":8,"optical2vmeasurederror":8,"rimin":8,"rimax":8,"opticaldispersion":8,"opticalpleochroism":8,"opticalpleochorismdesc":8,"opticalbirefringence":8,"opticalcomments":8,"opticalcolour":8,"opticalinternal":8,"opticaltropic":8,"opticalanisotropism":8,"opticalbireflectance":8,"opticalextinction":8,"opticalr":8,"specdispm":8,"ir":8,"electrical":8,"magnetism":8,"thermalbehaviour":8,"other":8,"industrial":8,"occurrence":8,"otheroccurrence":8,"type_specimen_store":8,"description_short":8,"aboutname":22,"rock_parent":8,"rock_parent2":8,"rock_root":23,"rock_bgs_code":8,"meteoritical_code":8,"updttime":24,"reviewed_at":8,"variety_of":25,"varieties":33,"group_members":34,"associates":35,"confused_with":36,"type_localities":37,"occurrence_total":38,"citations":39,"images":136,"structures":236,"synonyms":237,"language_names":241,"wikidata_qid":8,"texts":242},109,"1:1:109:6","ac9d3cfe-6c95-4a51-aadf-46e41f81a1fb","Alexandrite",null,2,"variety",1039,2203,false,"BeAl\u003Csub>2\u003C\u002Fsub>O\u003Csub>4\u003C\u002Fsub>",[16,17,18],"Al","Be","O",[16,17,18],[17],"0","Named in 1842 by Nils Adolf Erik Nordenskiöld in honor of Alexander II (29 April 1818, Moscow, Russia - 13 March 1881, Saint Petersburg, Russia), Czar of Russia from 1855 to 1881.",0,"2026-04-30 12:17:24",{"id":11,"name":26,"entrytype":23,"csystem":27,"ima_formula":14,"mindat_formula":14,"hmin":28,"hmax":28,"dmeas":29,"dcalc":30,"strunz10ed1":31,"primary_image_id":32},"Chrysoberyl","Orthorhombic",8.5,"3.75","3.69","4",29467,[],[],[],[],[],25,[40,43,47,51,55,59,64,68,72,77,81,85,90,94,99,103,108,113,118,122,127,131],{"id":41,"year":8,"html":42,"doi":8},19131116,"https:\u002F\u002Fgem-a.com\u002Fwp-content\u002Fuploads\u002F2025\u002F02\u002FJoG-Bibliography_2024_Chrysoberyl.pdf",{"id":44,"year":45,"html":46,"doi":8},16099768,1842,"Nordenskiöd (1842) Russ. Ges. Min. Schr.",{"id":48,"year":49,"html":50,"doi":8},16099769,1926,"Wild, Klemm (1926) Zentralblatt für Mineralogie, Geologie und Paleontologie, Stuttgart: 31.",{"id":52,"year":53,"html":54,"doi":8},1118651,1944,"Palache, Charles, Berman, Harry, Frondel, Clifford (1944) \u003Ci>The System of Mineralogy\u003C\u002Fi> (7th ed.) Vol. 1 - Elements, Sulfides, Sulfosalts, Oxides. John Wiley and Sons, New York.",{"id":56,"year":57,"html":58,"doi":8},524400,1965,"Farrell, E. F., Newnham, R. E. (1965) Crystal-field spectra of chrysoberyl, alexandrite, peridot and sinhalite. \u003Ci>American Mineralogist\u003C\u002Fi>,  50 (11-12) 1972-1981 \u003Ca target='_blank' href='http:\u002F\u002Fwww.minsocam.org\u002Fammin\u002FAM50\u002FAM50_1972.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":60,"year":61,"html":62,"doi":63},27520,1974,"Hassemer, Russell (1974) Alexandrite. \u003Ci>Rocks & Minerals\u003C\u002Fi>,  49 (7) 444-445 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1080\u002F00357529.1974.11762263'>doi:10.1080\u002F00357529.1974.11762263\u003C\u002Fa>","10.1080\u002F00357529.1974.11762263",{"id":65,"year":66,"html":67,"doi":8},16957415,1976,"Leckebusch, R. (1976) Die Abhängigkeit der Farbe von der Beleuchtungsart beim Alexandrit und Fluorit und ihre Ursachen. \u003Ci>Der Aufschluss\u003C\u002Fi>,  27 (7\u002F8). p.277-280.",{"id":69,"year":70,"html":71,"doi":8},16099771,1980,"Schmetzer K., Bank H., Gübelin E. (1980) The alexandrite effect in minerals: chrysoberyl, garnet, corundum, fluorite. Neues Jahrbuch für Mineralogie Abhandlungen: 138: 147-164.",{"id":73,"year":74,"html":75,"doi":76},2616,1995,"Liu, Yan, Shigley, James E., Fritsch, Emmanuel, Hemphill, Scott (1995) Relationship between the crystallographic orientation and the ‘alexandrite effect’ in synthetic alexandrite. \u003Ci>Mineralogical Magazine\u003C\u002Fi>,  59 (394) 111-114 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1180\u002Fminmag.1995.59.394.10'>doi:10.1180\u002Fminmag.1995.59.394.10\u003C\u002Fa> \u003Ca target='_blank' href='https:\u002F\u002Frruff.info\u002Fdoclib\u002FMinMag\u002FVolume_59\u002F59-394-111.pdf' class='refpdflink'>\u003C\u002Fa>","10.1180\u002Fminmag.1995.59.394.10",{"id":78,"year":79,"html":80,"doi":8},16099773,1997,"Voll, E., Pimenta, V.B. (1997) Mapeamento geológico da área garimpeira de alexandrita entre Setubinha e Malacacheta, MG. Trabalho Geológico de Graduação, IGC-UFMG, 52 p.",{"id":82,"year":83,"html":84,"doi":8},16099776,2002,"www.alexandrite.net (n.d.) \u003Ca target='_blank' rel='nofollow' href='http:\u002F\u002Fwww.alexandrite.net\u002F'>http:\u002F\u002Fwww.alexandrite.net\u002F\u003C\u002Fa>",{"id":86,"year":87,"html":88,"doi":89},153365,2007,"Weber, Sven-Ulf, Grodzicki, Michael, Lottermoser, Werner, Redhammer, Günther J., Tippelt, Gerold, Ponahlo, Johann, Amthauer, Georg (2007) 57Fe Mössbauer spectroscopy, X-ray single-crystal diffractometry, and electronic structure calculations on natural alexandrite. \u003Ci>Physics and Chemistry of Minerals\u003C\u002Fi>,  34 (7) 507-515 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1007\u002Fs00269-007-0166-6'>doi:10.1007\u002Fs00269-007-0166-6\u003C\u002Fa>","10.1007\u002Fs00269-007-0166-6",{"id":91,"year":92,"html":93,"doi":8},16099772,2010,"Schmetzer, K. (2010) Russian alexandrites. Schweizerbar Science Publishers, Stuttgart 2010. 141p.",{"id":95,"year":96,"html":97,"doi":98},1081685,2011,"Schmetzer, Karl, Malsy, Anna-Kathrin (2011) Alexandrite and colour-change chrysoberyl from the Lake Manyara alexandrite-emerald deposit in northern Tanzania. \u003Ci>The Journal of Gemmology\u003C\u002Fi>,  32 (5) 179-209 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.15506\u002Fjog.2011.32.5.179'>doi:10.15506\u002Fjog.2011.32.5.179\u003C\u002Fa>","10.15506\u002Fjog.2011.32.5.179",{"id":100,"year":101,"html":102,"doi":8},16099774,2013,"Basílio, M.S., Pedrosa-Soares, A.C., Jordt-Evangelista, H. (2013) Depósitos de alexandrita de Malacacheta, Minas Gerais. Revista Geonomos: 8(1):47-54.",{"id":104,"year":105,"html":106,"doi":107},1081733,2014,"Schmetzer, Karl, Hyršl, Jaroslav, Bernhardt, Heinz-Jürgen, Hainschwang, Thomas (2014) Purple to Reddish Purple Chrysoberyl from Brazil. \u003Ci>The Journal of Gemmology\u003C\u002Fi>,  34 (1) 32-40 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.15506\u002Fjog.2014.34.1.32'>doi:10.15506\u002Fjog.2014.34.1.32\u003C\u002Fa>","10.15506\u002Fjog.2014.34.1.32",{"id":109,"year":110,"html":111,"doi":112},129443,2015,"Ollier, Nadège, Fuchs, Yves, Cavani, Olivier, Horn, Adolf Heinrich, Rossano, Stéphanie (2015) Influence of impurities on Cr3+ luminescence properties in Brazilian emerald and alexandrite. \u003Ci>European Journal of Mineralogy\u003C\u002Fi>,  27 (6) 783-792 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1127\u002Fejm\u002F2015\u002F0027-2484'>doi:10.1127\u002Fejm\u002F2015\u002F0027-2484\u003C\u002Fa>","10.1127\u002Fejm\u002F2015\u002F0027-2484",{"id":114,"year":115,"html":116,"doi":117},532332,2019,"Sun, Ziyin; Palke, Aaron C.; Muyal, Jonathan; DeGhionno, Dino; McClure, Shane F. (2019) Geographic Origin Determination of Alexandrite. \u003Ci>Gems & Gemology\u003C\u002Fi>,  55 (4). 660-681 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.5741\u002Fgems.55.4.660'>doi:10.5741\u002Fgems.55.4.660\u003C\u002Fa>","10.5741\u002Fgems.55.4.660",{"id":119,"year":115,"html":120,"doi":121},16837503,"Trindade, Neilo Marcos, da Cruz, Marcela Rodrigues, Kahn, Henrique, Jacobsohn, Luiz Gustavo, Yoshimura, Elisabeth Mateus (2019) Thermoluminescence and radioluminescence of alexandrite mineral. \u003Ci>Journal of Luminescence\u003C\u002Fi>,  206. 455-461 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1016\u002Fj.jlumin.2018.10.114'>doi:10.1016\u002Fj.jlumin.2018.10.114\u003C\u002Fa>","10.1016\u002Fj.jlumin.2018.10.114",{"id":123,"year":124,"html":125,"doi":126},13869142,2020,"Trindade, N.M., Cruz, M.R., Yoshimura, E.M. (2020) Correlation between thermoluminescence and optically stimulated luminescence responses of natural alexandrite. \u003Ci>Applied Radiation and Isotopes\u003C\u002Fi>, 166. 109402pp. \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1016\u002Fj.apradiso.2020.109402'>doi:10.1016\u002Fj.apradiso.2020.109402\u003C\u002Fa>","10.1016\u002Fj.apradiso.2020.109402",{"id":128,"year":129,"html":130,"doi":8},17516006,2022,"Sun, Ziyin, Palke, Aaron C., Muyal, Jonathan, DeGhionno, Dino, McClure, Shane F. (2022) Geographic Origin Determination of Alexandrite (from the Winter 2019 Gems & Gemology), in \u003Ci>Alexandrite and Other Color-Change Gemstones\u003C\u002Fi>. \u003Ci>18th Sinkankas Symposium\u003C\u002Fi>,  18. Pala International, Inc. 60-76",{"id":132,"year":133,"html":134,"doi":135},16644561,2023,"Rybnikova, Olena, Bačík, Peter, Uher, Pavel, Fridrichová, Jana, Lalinská‐Voleková, Bronislava, Kubernátová, Monika, Hanus, Radek (2023) Characterization of chrysoberyl and its gemmological varieties by Raman spectroscopy. \u003Ci>Journal of Raman Spectroscopy\u003C\u002Fi>,  54 (8). 857-870 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1002\u002Fjrs.6566'>doi:10.1002\u002Fjrs.6566\u003C\u002Fa>","10.1002\u002Fjrs.6566",[137,147,156,162,172,180,189,197,205,213,221,228],{"id":138,"source_url":139,"license_code":140,"credit_html":141,"title":142,"description":143,"author":144,"original_width":145,"original_height":146},31878,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=429584","CC BY-SA 3.0","Vzb83, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=429584\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Alexandrite.jpg","Alexandrite crystal in daylight (left) and fluorescent light (right). The specimen is from Brazil.","Vzb83",500,246,{"id":148,"source_url":149,"license_code":140,"credit_html":150,"title":151,"description":152,"author":153,"original_width":154,"original_height":155},31879,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=1981015","Original uploader was User: at en.wikipedia, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=1981015\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Alexandrite 26.75cts.jpg","\u003Cp>Alexandrite Cushion, 26.75 cts. Bluish green in daylight and purple red under incandescent light, alexandrites this large are extremely rare.\n\u003C\u002Fp>\n\u003Cdiv class=\"mw-heading mw-heading2\">\u003Ch2 id=\"Labels\">Labels\u003C\u002Fh2>\u003C\u002Fdiv>\n\u003Cul>\u003Cli>First row: \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FAlexandrite\" class=\"extiw\" title=\"en:Alexandrite\">en:Alexandrite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FChrysoberyl\" class=\"extiw\" title=\"en:Chrysoberyl\">en:Chrysoberyl\u003C\u002Fa>\u003C\u002Fli>\u003C\u002Ful>","Original uploader was User: at en.wikipedia",1365,643,{"id":157,"source_url":158,"license_code":140,"credit_html":159,"title":160,"description":8,"author":8,"original_width":161,"original_height":155},31880,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=4504822","Unknown author, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=4504822\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Alexandrite 26.75ctsCropped.jpg",699,{"id":163,"source_url":164,"license_code":165,"credit_html":166,"title":167,"description":168,"author":169,"original_width":170,"original_height":171},31881,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=5729496","Public domain","Parent Géry, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=5729496\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Alexandrite 4(Zimbabwe).jpg","Crystal of \u003Ca href=\"\u002F\u002Fcommons.wikimedia.org\u002Fw\u002Findex.php?title=Alexandrite&action=edit&redlink=1\" class=\"new\" title=\"Alexandrite (page does not exist)\">alexandrite\u003C\u002Fa>","Parent Géry",4288,2848,{"id":173,"source_url":174,"license_code":165,"credit_html":175,"title":176,"description":177,"author":178,"original_width":179,"original_height":171},5668,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=9967436","Géry PARENT, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=9967436\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Chrysoberyl 1.jpg","chrysoberyl var. alexandrite : Espírito Santo, Brazil","Géry PARENT",3864,{"id":181,"source_url":182,"license_code":140,"credit_html":183,"title":184,"description":185,"author":186,"original_width":187,"original_height":188},31882,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10125929","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10125929\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Chrysoberyl-37065.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FChrysoberyl\" class=\"extiw\" title=\"en:Chrysoberyl\">Chrysoberyl\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FChrysoberyl\" class=\"extiw\" title=\"en:Chrysoberyl\">Chrysoberyl\u003C\u002Fa> (Var.: \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FChrysoberyl\" class=\"extiw\" title=\"en:Chrysoberyl\">Alexandrite\u003C\u002Fa>)\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Novello Mine, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FMasvingo\" class=\"extiw\" title=\"en:Masvingo\">Masvingo (Fort Victoria)\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FMasvingo_District\" class=\"extiw\" title=\"en:Masvingo District\">Masvingo District\u003C\u002Fa>, Zimbabwe (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-7862.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>A nice cluster of dark intergrown tabular crystals, some showing the famous alexandrite cyclic twinning. The crystals have good luster, and clearly demonstrate the color change that Alexandrite is famous for (green to purple\u002Fred depending on lighting). It is crystallized all around and mostly opaque, though slightly translucent in a few places. This is a very nice example of the species at a fair price, I think. 4.5 x 3.6 x 2.8 cm\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>","Robert M. Lavinsky",573,603,{"id":190,"source_url":191,"license_code":140,"credit_html":192,"title":193,"description":194,"author":186,"original_width":195,"original_height":196},31884,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10132421","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10132421\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Chrysoberyl-46847.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FChrysoberyl\" class=\"extiw\" title=\"en:Chrysoberyl\">Chrysoberyl\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FChrysoberyl\" class=\"extiw\" title=\"en:Chrysoberyl\">Chrysoberyl\u003C\u002Fa> (Var.: \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FChrysoberyl\" class=\"extiw\" title=\"en:Chrysoberyl\">Alexandrite\u003C\u002Fa>)\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FMasvingo\" class=\"extiw\" title=\"en:Masvingo\">Masvingo (Fort Victoria)\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FMasvingo_District\" class=\"extiw\" title=\"en:Masvingo District\">Masvingo District\u003C\u002Fa>, Zimbabwe (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-25853.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Aesthetic, gemmy and sharp chrysoberyl crystals Zimbabwe. The main crystal is doubly terminated and the piece is pristine. Old material with excellent pleochroism, meaning color change under different lighting conditions, ie, natural versus incandescent. The backlit photos highlight the gemmyness and color changes. 1.0 x 1.0 x 0.7 cm\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",408,431,{"id":198,"source_url":199,"license_code":140,"credit_html":200,"title":201,"description":202,"author":186,"original_width":203,"original_height":204},31885,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10430067","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10430067\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Chrysoberyl-d11a.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FChrysoberyl\" class=\"extiw\" title=\"en:Chrysoberyl\">Chrysoberyl\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Girdlestone farm, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FMasvingo\" class=\"extiw\" title=\"en:Masvingo\">Masvingo (Fort Victoria)\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FMasvingo_District\" class=\"extiw\" title=\"en:Masvingo District\">Masvingo District\u003C\u002Fa>, Zimbabwe (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-6703.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: thumbnail, 1.8 x 1.3 x 1.1 cm\n\u003Cdl>\u003Cdt>Alexandrite\u003C\u002Fdt>\u003C\u002Fdl>\u003C\u002Fdd>\n\u003Cdd>A very good, nearly complete, sixling. The luster is excellent, as is the color with transmitted light (more green in person). BETTER IN PERSON! 1.8 x 1.3 x 1.1 cm\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",400,343,{"id":206,"source_url":207,"license_code":208,"credit_html":209,"title":210,"description":211,"author":169,"original_width":212,"original_height":171},31887,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=12804668","CC0 1.0","Parent Géry, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=12804668\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Chrysobéryl var. alexandrite sous UV (Brésil) 1.jpg","rayonnement d'un cristal (2,8 cm) de chrysoberyl var. alexandrite sous UV",3852,{"id":214,"source_url":215,"license_code":208,"credit_html":216,"title":217,"description":218,"author":169,"original_width":219,"original_height":220},31888,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=12804747","Parent Géry, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=12804747\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Chrysobéryl var. alexandrite (Brésil) 1.jpg","cristal (2,8 cm) de chrysoberyl var. alexandrite",3450,2495,{"id":222,"source_url":223,"license_code":140,"credit_html":224,"title":225,"description":226,"author":186,"original_width":227,"original_height":145},31883,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10130138","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10130138\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Chrysoberyl-40654.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FChrysoberyl\" class=\"extiw\" title=\"en:Chrysoberyl\">Chrysoberyl\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FChrysoberyl\" class=\"extiw\" title=\"en:Chrysoberyl\">Chrysoberyl\u003C\u002Fa> (Var.: \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FChrysoberyl\" class=\"extiw\" title=\"en:Chrysoberyl\">Alexandrite\u003C\u002Fa>)\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Novello Mine, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FMasvingo\" class=\"extiw\" title=\"en:Masvingo\">Masvingo (Fort Victoria)\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FMasvingo_District\" class=\"extiw\" title=\"en:Masvingo District\">Masvingo District\u003C\u002Fa>, Zimbabwe (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-7862.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>A sharp, euhedral chrysoberyl crystal attached to schist matrix from Zimbabwe. Old material with excellent pleochroism, meaning color change under different lighting conditions, ie, natural versus incandescent. The backlighting highlights the color changes. The piece comes with an old Ft. Victoria, Rhodesia label. ex. Zinn Collection 1.8 x 1.6 x 1.3 cm\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",369,{"id":229,"source_url":230,"license_code":140,"credit_html":231,"title":232,"description":233,"author":186,"original_width":234,"original_height":235},31886,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10454913","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10454913\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Chrysoberyl-oldeuro-28b.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FChrysoberyl\" class=\"extiw\" title=\"en:Chrysoberyl\">Chrysoberyl\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Emerald mines (Izumrudnye Kopi; Malyshevskoe deposit), Tokovaya river (Tokovaia river), Malyshevo, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FYekaterinburg\" class=\"extiw\" title=\"en:Yekaterinburg\">Ekaterinburg (Sverdlovsk)\u003C\u002Fa>, Ekaterinburgskaya (Sverdlovskaya) Oblast', Middle Urals, Urals Region, Russia (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-4647.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: miniature, 3.8 x 3.3 x 2.1 cm\n\u003Cdl>\u003Cdt>Alexandrite\u003C\u002Fdt>\u003C\u002Fdl>\u003C\u002Fdd>\n\u003Cdd>An excellent,classic reference example from this old find. It has some edge wear, and is dark, but nevertheless shows color change, some internal gemminess, and a stout overall form. Note the date of 1850 on one label.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",800,755,[],[238,239,240],"Alexandrit","Alexandrita","Diaphanite",[],{"history":8,"applications":8}]