[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"minerals:one:7082":3},{"id":4,"longid":5,"guid":6,"name":7,"shortcode_ima":8,"entrytype":9,"entrytype_text":10,"varietyof":11,"synid":11,"polytypeof":11,"groupid":11,"weighting":12,"nolocadd":13,"blacklisted":13,"mindat_formula":14,"mindat_formula_note":11,"ima_formula":15,"elements":16,"sigelements":24,"key_elements":25,"impurities":11,"cim":11,"ima_status":26,"ima_notes":11,"ima_history":11,"approval_year":11,"publication_year":28,"discovery_year":11,"strunz10ed1":29,"strunz10ed2":30,"strunz10ed3":31,"strunz10ed4":32,"dana8ed1":33,"dana8ed2":33,"dana8ed3":33,"dana8ed4":33,"csystem":34,"cclass":35,"spacegroup":36,"spacegroupset":37,"a":38,"b":33,"c":33,"alpha":33,"beta":33,"gamma":33,"aerror":39,"berror":11,"cerror":11,"alphaerror":11,"betaerror":11,"gammaerror":11,"va3":40,"z":41,"csmetamict":13,"commentcrystal":11,"twinning":11,"tranglide":11,"parting":42,"epitaxidescription":11,"morphology":43,"tlform":44,"hmin":45,"hmax":45,"hardtype":11,"vhnmin":33,"vhnmax":33,"vhnerror":11,"vhng":11,"vhns":11,"commenthard":11,"dmeas":46,"dmeas2":46,"dcalc":47,"dmeaserror":11,"dcalcerror":11,"commentdense":11,"lustre":48,"lustretype":48,"commentluster":11,"diapheny":49,"streak":50,"colour":51,"commentcolor":11,"colors":52,"streak_colors":55,"luminescence":56,"uv":57,"cleavage":11,"cleavagetype":58,"fracturetype":59,"tenacity":60,"commentbreak":11,"opticaltype":61,"opticalsign":11,"opticalalpha":33,"opticalalpha2":33,"opticalalphaerror":11,"opticalbeta":33,"opticalbeta2":33,"opticalbetaerror":11,"opticalgamma":33,"opticalgamma2":33,"opticalgammaerror":11,"opticalomega":33,"opticalomega2":33,"opticalomegaerror":11,"opticalepsilon":33,"opticalepsilon2":33,"opticalepsilonerror":11,"opticaln":33,"opticaln2":33,"opticalnerror":11,"optical2vcalc":33,"optical2vcalc2":33,"optical2vcalcerror":11,"optical2vmeasured":33,"optical2vmeasured2":33,"optical2vmeasurederror":11,"rimin":11,"rimax":11,"opticaldispersion":11,"opticalpleochroism":11,"opticalpleochorismdesc":11,"opticalbirefringence":11,"opticalcomments":11,"opticalcolour":11,"opticalinternal":11,"opticaltropic":61,"opticalanisotropism":11,"opticalbireflectance":11,"opticalextinction":11,"opticalr":11,"specdispm":11,"ir":11,"electrical":11,"magnetism":11,"thermalbehaviour":11,"other":11,"industrial":11,"occurrence":62,"otheroccurrence":11,"type_specimen_store":63,"description_short":64,"aboutname":65,"rock_parent":11,"rock_parent2":11,"rock_root":9,"rock_bgs_code":11,"meteoritical_code":11,"updttime":66,"reviewed_at":11,"variety_of":11,"varieties":67,"group_members":68,"associates":69,"confused_with":70,"type_localities":71,"occurrence_total":78,"citations":79,"images":126,"structures":302,"synonyms":320,"language_names":323,"wikidata_qid":351,"texts":352},7082,"1:1:7082:5","2a2f69b2-2f18-4da9-91fb-f03a04c5a682","Londonite","Ldn",0,"mineral",null,472,false,"(Cs,K,Rb)Al\u003Csub>4\u003C\u002Fsub>Be\u003Csub>4\u003C\u002Fsub>(B,Be)\u003Csub>12\u003C\u002Fsub>O\u003Csub>28\u003C\u002Fsub>","CsBe\u003Csub>4\u003C\u002Fsub>Al\u003Csub>4\u003C\u002Fsub>(B\u003Csub>11\u003C\u002Fsub>Be)O\u003Csub>28\u003C\u002Fsub>",[17,18,19,20,21,22,23],"Al","Be","Cs","Rb","B","O","K",[17,18,19,21,22],[21,18,19],[27],"APPROVED",2001,"6","G","C","05","0","Isometric",30,211,"P-4 3m","7.3205",3,392.3,1,"None","Dodecahedron {110}, tristetrahedron {211}, tetrahedron {111}, deltoid dodecahedron {221} and rare cube {100}","Two well formed crystals 1 cm across (type locality)in saccharoidal albite.",8,"3.34","3.42","Vitreous","Transparent,Translucent","White","Milky white to pale yellow; yellow",[53,54],"white","yellow",[53],"Weak yellow-green in SW","weak yellow-green fluorescence under short-wave UV light","None Observed","Conchoidal","brittle","Isotropic","In the pocket zone of complex LCT pegmatite","In the mineralogical collection of the Museum of Natural History of Milan, Italy, number MSNM M31115.","The cesium-dominant analogue of Rhodizite. Londonite-Rhodizite Series.\r\n\r\nNOTE: Specimens from Madagascar without analysis should be labelled as londonite-rhodizite series. Many crystals contain complex patchy zones of both londonite and rhodizite whic...","Named by William B. Simmons, F. Pezzotta, A.U. Falster, and W.L. Webber in 2001 in honor of David London (1953 – ), Professor of Geology and Geophysics, University of Oklahoma, Norman, Oklahoma, USA, for his contributions to the understanding of granite pegmatites.","2026-04-15 09:45:31",[],[],[],[],[72],{"id":73,"txt":74,"latitude":75,"longitude":76,"country":77},2260,"Antandrokomby pegmatite, Manandona Valley, Sahatsiho Ambohimanjaka, Ambositra District, Amoron'i Mania, Madagascar",-20.2402194,47.0220472,"Madagascar",5,[80,85,89,93,98,101,105,109,113,118,122],{"id":81,"year":82,"html":83,"doi":84},1051788,1965,"Frondel, Clifford, Ito, Jun (1965) Composition of rhodizite. \u003Ci>Tschermaks Mineralogische und Petrographische Mitteilungen\u003C\u002Fi>,  10 (1) 409-412 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1007\u002Fbf01128644'>doi:10.1007\u002Fbf01128644\u003C\u002Fa>","10.1007\u002Fbf01128644",{"id":86,"year":87,"html":88,"doi":11},15418311,1996,"Grew, Edward S.; Anovitz, Lawrence M. - \u003Ci>Eds.\u003C\u002Fi> (1996) Boron - Mineralogy, Petrology and Geochemistry. \u003Ci>Reviews in Mineralogy\u003C\u002Fi> Vol. 33. Mineralogical Society of America p.862",{"id":90,"year":28,"html":91,"doi":92},63495,"Simmons, W. B.; Pezzotta, F.; Falster, A. U.; Webber, K. L. (2001) Londonite, a new mineral species: the Cs-dominant analogue of rhodizite from the Antandrokomby granitic pegmatite, Madagascar. \u003Ci>The Canadian Mineralogist\u003C\u002Fi>,  39 (3). 747-755 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.2113\u002Fgscanmin.39.3.747'>doi:10.2113\u002Fgscanmin.39.3.747\u003C\u002Fa>","10.2113\u002Fgscanmin.39.3.747",{"id":94,"year":95,"html":96,"doi":97},531842,2002,"Laurs, Brendan M.; Pezzotta, Federico; Simmons, William B. (Skip); Falster, Alexander U.; Muhlmeister, Sam (2002) Rhodizite-Londonite from the Antsongombato Pegmatite, Central Madagascar. \u003Ci>Gems & Gemology\u003C\u002Fi>,  38 (4). 326-339 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.5741\u002Fgems.38.4.326'>doi:10.5741\u002Fgems.38.4.326\u003C\u002Fa>","10.5741\u002Fgems.38.4.326",{"id":99,"year":95,"html":100,"doi":11},16109016,"Jambor, J.L., Roberts, A.C. (2002) New mineral names. American Mineralogist: 87: 355-358.",{"id":102,"year":95,"html":103,"doi":104},63651,"Mandarino, Joseph A. (2002) New minerals. \u003Ci>The Canadian Mineralogist\u003C\u002Fi>,  40 (3) 1001-1020 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.2113\u002Fgscanmin.40.3.1001'>doi:10.2113\u002Fgscanmin.40.3.1001\u003C\u002Fa> \u003Ca target='_blank' href='https:\u002F\u002Frruff.info\u002Fdoclib\u002Fcm\u002Fvol40\u002FCM40_1001.pdf' class='refpdflink'>\u003C\u002Fa>","10.2113\u002Fgscanmin.40.3.1001",{"id":106,"year":107,"html":108,"doi":11},16892122,2003,"Pezzotta, Federico; Diella,V.; Demartin, F.; Simmons, W.B (2003) Londonit aus Madagaskar - eine neue Mineralart [Londonite from Madagascar - a new mineral species]. \u003Ci>Lapis\u003C\u002Fi>,  28 (2). 35-38",{"id":110,"year":111,"html":112,"doi":11},16965647,2005,"(2005) Londonite. \u003Ci>Handbook of Mineralogy\u003C\u002Fi>. Mineralogical Society of America \u003Ca target='_blank' href='https:\u002F\u002Fwww.handbookofmineralogy.org\u002Fpdfs\u002Flondonite.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":114,"year":115,"html":116,"doi":117},64747,2010,"Pekov, I. V., Yakubovich, O. V., Massa, W., Chukanov, N. V., Kononkova, N. N., Agakhanov, A. A., Karpenko, V. Y. (2010) Londonite from the Urals, and new aspects of the crystal chemistry of the rhodozite-londonite series. \u003Ci>The Canadian Mineralogist\u003C\u002Fi>,  48 (2) 241-254 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.3749\u002Fcanmin.48.2.241'>doi:10.3749\u002Fcanmin.48.2.241\u003C\u002Fa>","10.3749\u002Fcanmin.48.2.241",{"id":119,"year":115,"html":120,"doi":121},396403,"Gatta, G. D., Vignola, P., McIntyre, G. J., Diella, V. (2010) On the crystal chemistry of londonite [(Cs,K,Rb)Al4Be5B11O28]: A single-crystal neutron diffraction study at 300 and 20 K. \u003Ci>American Mineralogist\u003C\u002Fi>,  95 (10) 1467-1472 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.2138\u002Fam.2010.3554'>doi:10.2138\u002Fam.2010.3554\u003C\u002Fa> \u003Ca target='_blank' href='https:\u002F\u002Frruff.info\u002Fdoclib\u002Fam\u002Fvol95\u002FAM95_1467.pdf' class='refpdflink'>\u003C\u002Fa>","10.2138\u002Fam.2010.3554",{"id":123,"year":124,"html":125,"doi":11},15897736,2023,"Larsen, Knut Edvard (2023) Minerals first described from Madagascar. \u003Ci>Norsk Mineralsymposium 2023\u003C\u002Fi>, 89-122",[127,137,145,155,163,171,179,186,193,200,205,210,218,224,231,237,244,250,255,264,270,278,285,292],{"id":128,"source_url":129,"license_code":130,"credit_html":131,"title":132,"description":133,"author":134,"original_width":135,"original_height":136},14692,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10132082","CC BY-SA 3.0","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10132082\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Londonite-44405.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FBorate_mineral\" class=\"extiw\" title=\"en:Borate mineral\">Londonite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Antsongombato gem mine, FKT Antsentsindrano, Andrembesoa Commune, Betafo District, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FVakinankaratra\" class=\"extiw\" title=\"en:Vakinankaratra\">Vakinankaratra Region\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FAntananarivo_Province\" class=\"extiw\" title=\"en:Antananarivo Province\">Antananarivo Province\u003C\u002Fa>, Madagascar (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-2262.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>An excellent, gemmy and lustrous, 1.8 cm londonite crystal with exceptional yellow color on matrix from the co-type locality in Madagascar. Londonite is the ultra-rare, cesium-dominant analogue of rhodizite. This is a relatively large, and certainly unusually colorful crystal. One side of the rear of the crystal is cleaved, but it is certainly not detracting given that the display view from teh front is stellar. There are several red tourmaline crystals in the matrix. 4.2 x 3.7 x 2.9 cm\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>","Robert M. Lavinsky",505,562,{"id":138,"source_url":139,"license_code":130,"credit_html":140,"title":141,"description":142,"author":134,"original_width":143,"original_height":144},14693,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10137083","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10137083\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Londonite-67794.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FBorate_mineral\" class=\"extiw\" title=\"en:Borate mineral\">Londonite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Sahatany Pegmatite Field (Mt Bity (Ibity) area), Manandona Valley, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FVakinankaratra\" class=\"extiw\" title=\"en:Vakinankaratra\">Vakinankaratra Region\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FAntananarivo_Province\" class=\"extiw\" title=\"en:Antananarivo Province\">Antananarivo Province\u003C\u002Fa>, Madagascar (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-2260.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>A gemmy and glassy, 1.0 cm, pastel yellow-green londonite crystal nicely set in matrix from the Type Locality in Madagascar. Londonite is an ultra-rare cesium, beryllium oxide. 3.0 x 3.0 x 2.2 cm\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",442,418,{"id":146,"source_url":147,"license_code":148,"credit_html":149,"title":150,"description":151,"author":152,"original_width":153,"original_height":154},64928,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=2618512","CC BY-SA 2.5","Gia.cossa, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=2618512\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Londonite.jpg","Londonite from Ansongombato, Madagascar.","Gia.cossa",2592,1944,{"id":156,"source_url":157,"license_code":130,"credit_html":158,"title":159,"description":160,"author":134,"original_width":161,"original_height":162},14694,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10140349","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10140349\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Londonite-Tourmaline-120977.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FBorate_mineral\" class=\"extiw\" title=\"en:Borate mineral\">Londonite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FTourmaline\" class=\"extiw\" title=\"en:Tourmaline\">Tourmaline\u003C\u002Fa> (Var.: \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FTourmaline\" class=\"extiw\" title=\"en:Tourmaline\">Rubellite\u003C\u002Fa>)\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FVakinankaratra\" class=\"extiw\" title=\"en:Vakinankaratra\">Vakinankaratra Region\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FAntananarivo_Province\" class=\"extiw\" title=\"en:Antananarivo Province\">Antananarivo Province\u003C\u002Fa>, Madagascar (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-2264.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: 6.2 x 4.3 x 3 cm.\u003C\u002Fdd>\n\u003Cdd>Classic specimen from Madagascar of large (up to 1.8 cm) yellow Londonite crystals associated with Rubellite. The crystals are exceptional well-formed and large for the species.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",500,473,{"id":164,"source_url":165,"license_code":130,"credit_html":166,"title":167,"description":168,"author":134,"original_width":169,"original_height":170},14695,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10150078","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10150078\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Londonite-171921.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FBorate_mineral\" class=\"extiw\" title=\"en:Borate mineral\">Londonite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Antsongombato gem mine, FKT Antsentsindrano, Andrembesoa Commune, Betafo District, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FVakinankaratra\" class=\"extiw\" title=\"en:Vakinankaratra\">Vakinankaratra Region\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FAntananarivo_Province\" class=\"extiw\" title=\"en:Antananarivo Province\">Antananarivo Province\u003C\u002Fa>, Madagascar (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-2262.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: 5.4 x 4.3 x 4.0 cm.\u003C\u002Fdd>\n\u003Cdd>Most newly found and named species are micro-crystals, but this is the exception. Named for University of Oklahoma mineralogy professor, David London, this is the rare cesium-rich analog of rhodizite - and it is a beautiful mineral species, luckily for him! From the co-type deposit in Madagascar, this large, well formed crystal measures 3.0 cm across and is aesthetically perched on matrix. It is lustrous and translucent with a vivid sulfur yellow color. Rare, large, with luscious color, this is an awesome specimen from the collection of Federico Pezzotta.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",400,366,{"id":172,"source_url":173,"license_code":130,"credit_html":174,"title":175,"description":176,"author":134,"original_width":177,"original_height":178},64929,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10135105","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10135105\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Londonite-54302.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FBorate_mineral\" class=\"extiw\" title=\"en:Borate mineral\">Londonite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Antsongombato gem mine, FKT Antsentsindrano, Andrembesoa Commune, Betafo District, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FVakinankaratra\" class=\"extiw\" title=\"en:Vakinankaratra\">Vakinankaratra Region\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FAntananarivo_Province\" class=\"extiw\" title=\"en:Antananarivo Province\">Antananarivo Province\u003C\u002Fa>, Madagascar (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-2262.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>While not as large or yellow as the next londonite, listed below, this 1.5 cm across crystal, on a quartz matrix, does have the remnants of rubellite crystals for a color contrast. I actually got this from Dave London years ago and it comes with his signed card. 4.9 x 3.2 x 2.2 cm\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",568,600,{"id":180,"source_url":181,"license_code":130,"credit_html":182,"title":183,"description":184,"author":134,"original_width":169,"original_height":185},14696,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10453790","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10453790\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Londonite-mun05-95b.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FBorate_mineral\" class=\"extiw\" title=\"en:Borate mineral\">Londonite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Antsongombato gem mine, FKT Antsentsindrano, Andrembesoa Commune, Betafo District, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FVakinankaratra\" class=\"extiw\" title=\"en:Vakinankaratra\">Vakinankaratra Region\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FAntananarivo_Province\" class=\"extiw\" title=\"en:Antananarivo Province\">Antananarivo Province\u003C\u002Fa>, Madagascar (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-2262.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: miniature, 4.9 x 3.2 x 2.2 cm\n\u003Cdl>\u003Cdt>Londonite\u003C\u002Fdt>\u003C\u002Fdl>\u003C\u002Fdd>\n\u003Cdd>While not as large or yellow as the next londonite, listed below, this 1.5 cm across crystal, on a quartz matrix, does have the remnants of rubellite crystals for a color contrast. I actually got this from Dave London years ago and it comes with his signed card.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",324,{"id":187,"source_url":188,"license_code":130,"credit_html":189,"title":190,"description":191,"author":134,"original_width":192,"original_height":169},64930,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10135108","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10135108\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Londonite-54304.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FBorate_mineral\" class=\"extiw\" title=\"en:Borate mineral\">Londonite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Antsongombato gem mine, FKT Antsentsindrano, Andrembesoa Commune, Betafo District, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FVakinankaratra\" class=\"extiw\" title=\"en:Vakinankaratra\">Vakinankaratra Region\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FAntananarivo_Province\" class=\"extiw\" title=\"en:Antananarivo Province\">Antananarivo Province\u003C\u002Fa>, Madagascar (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-2262.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: 2.6 x 1.7 x 1.1 cm.\u003C\u002Fdd>\n\u003Cdd>This thumbnail features a translucent and lustrous, greenish-yellow, 2.0 cm londonite crystal on a sliver of matrix. Ex. Dave London Collection.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",286,{"id":194,"source_url":195,"license_code":130,"credit_html":196,"title":197,"description":198,"author":134,"original_width":199,"original_height":169},14697,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10476914","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10476914\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Londonite-tuc8-100b.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FBorate_mineral\" class=\"extiw\" title=\"en:Borate mineral\">Londonite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Antsongombato gem mine, FKT Antsentsindrano, Andrembesoa Commune, Betafo District, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FVakinankaratra\" class=\"extiw\" title=\"en:Vakinankaratra\">Vakinankaratra Region\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FAntananarivo_Province\" class=\"extiw\" title=\"en:Antananarivo Province\">Antananarivo Province\u003C\u002Fa>, Madagascar (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-2262.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: miniature, 5.4 x 4.3 x 4.0 cm\n\u003Cdl>\u003Cdt>Londonite\u003C\u002Fdt>\u003C\u002Fdl>\u003C\u002Fdd>\n\u003Cdd>Most newly found and named species are micro-crystals, but this is the exception. Named for University of Oklahoma mineralogy professor, David London, this is the rare, cesium rich analog of rhodizite - and it is a beautiful mineral species, luckily for him! From the type deposit in Madagascar, this large, well formed crystal measures 3.0 cm across and is aesthetically perched on matrix. It is lustrous and translucent with a vivid sulfur yellow color. Rare, large, with luscious color, this is an awesome specimen from the collection of Federico Pezzotta, a specialist in mineralogy of Madagascar and discoverer of Pezzotaite.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",375,{"id":201,"source_url":202,"license_code":130,"credit_html":203,"title":204,"description":198,"author":134,"original_width":169,"original_height":170},14698,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10476915","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10476915\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Londonite-tuc8-100a.jpg",{"id":206,"source_url":207,"license_code":130,"credit_html":208,"title":209,"description":160,"author":134,"original_width":161,"original_height":185},64932,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10140347","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10140347\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Londonite-Tourmaline-120976.jpg",{"id":211,"source_url":212,"license_code":130,"credit_html":213,"title":214,"description":215,"author":134,"original_width":216,"original_height":217},64934,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10165080","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10165080\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Londonite-Tourmaline-238912.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FBorate_mineral\" class=\"extiw\" title=\"en:Borate mineral\">Londonite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FTourmaline\" class=\"extiw\" title=\"en:Tourmaline\">Tourmaline\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Antsongombato gem mine, FKT Antsentsindrano, Andrembesoa Commune, Betafo District, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FVakinankaratra\" class=\"extiw\" title=\"en:Vakinankaratra\">Vakinankaratra Region\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FAntananarivo_Province\" class=\"extiw\" title=\"en:Antananarivo Province\">Antananarivo Province\u003C\u002Fa>, Madagascar (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-2262.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: 5.5 x 2.8 x 1.8 cm.\u003C\u002Fdd>\n\u003Cdd>A gemmy and lustrous, 1.6 cm, yellowish-green londonite crystal on matrix from Madagascar. Londonite is the ultra-rare, cesium-dominant analogue of rhodizite. This is a relatively large, unusually gemmy and pristine crystal. Most londonites have some damage. There are several red tourmaline crystals in the matrix.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",750,447,{"id":219,"source_url":220,"license_code":130,"credit_html":221,"title":222,"description":215,"author":134,"original_width":178,"original_height":223},64935,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10165081","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10165081\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Londonite-Tourmaline-238913.jpg",592,{"id":225,"source_url":226,"license_code":130,"credit_html":227,"title":228,"description":229,"author":134,"original_width":169,"original_height":230},64936,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10453630","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10453630\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Londonite-mun05-100b.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FBorate_mineral\" class=\"extiw\" title=\"en:Borate mineral\">Londonite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Antsongombato gem mine, FKT Antsentsindrano, Andrembesoa Commune, Betafo District, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FVakinankaratra\" class=\"extiw\" title=\"en:Vakinankaratra\">Vakinankaratra Region\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FAntananarivo_Province\" class=\"extiw\" title=\"en:Antananarivo Province\">Antananarivo Province\u003C\u002Fa>, Madagascar (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-2262.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: small cabinet, 6 x 4.8 x 4.1 cm\n\u003Cdl>\u003Cdt>Londonite\u003C\u002Fdt>\u003C\u002Fdl>\u003C\u002Fdd>\n\u003Cdd>Usually, a newly described mineral species is but a speck on its host matrix. Not so londonite, from Madagascar, which has been a valid species less than 10 years. In this particular specimen, where the crystal is 2.1 cm across, the translucence, luster, and yellow color on white sugary quartz make this piece outstanding. To boot, this one came out of the personal collection of its namesake, David London. I actually got this from Dave London years ago and it comes with his signed card.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",290,{"id":232,"source_url":233,"license_code":130,"credit_html":234,"title":235,"description":236,"author":134,"original_width":161,"original_height":178},64937,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10453631","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10453631\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Londonite-mun05-101a.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FBorate_mineral\" class=\"extiw\" title=\"en:Borate mineral\">Londonite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Antsongombato gem mine, FKT Antsentsindrano, Andrembesoa Commune, Betafo District, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FVakinankaratra\" class=\"extiw\" title=\"en:Vakinankaratra\">Vakinankaratra Region\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FAntananarivo_Province\" class=\"extiw\" title=\"en:Antananarivo Province\">Antananarivo Province\u003C\u002Fa>, Madagascar (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-2262.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: thumbnail, 2.6 x 1.7 x 1 cm\n\u003Cdl>\u003Cdt>Londonite\u003C\u002Fdt>\u003C\u002Fdl>\u003C\u002Fdd>\n\u003Cdd>This thumbnail features a translucent and lustrous, greenish-yellow, 2.0 cm londonite crystal on a sliver of matrix. . I actually got this from Dave London years ago.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",{"id":238,"source_url":239,"license_code":130,"credit_html":240,"title":241,"description":242,"author":134,"original_width":178,"original_height":243},64938,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10453632","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10453632\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Londonite-mun05-102a.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FBorate_mineral\" class=\"extiw\" title=\"en:Borate mineral\">Londonite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Antsongombato gem mine, FKT Antsentsindrano, Andrembesoa Commune, Betafo District, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FVakinankaratra\" class=\"extiw\" title=\"en:Vakinankaratra\">Vakinankaratra Region\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FAntananarivo_Province\" class=\"extiw\" title=\"en:Antananarivo Province\">Antananarivo Province\u003C\u002Fa>, Madagascar (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-2262.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: small cabinet, 7 x 3.3 x 3 cm\n\u003Cdl>\u003Cdt>Londonite\u003C\u002Fdt>\u003C\u002Fdl>\u003C\u002Fdd>\n\u003Cdd>A yellow, matte luster, translucent, 2.00 cm across, londonite crystal, sits perched on feldspar matrix. The color of this londonite is richer than the others listed here for sale.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",422,{"id":245,"source_url":246,"license_code":130,"credit_html":247,"title":248,"description":242,"author":134,"original_width":169,"original_height":249},64939,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10453633","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10453633\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Londonite-mun05-102b.jpg",308,{"id":251,"source_url":252,"license_code":130,"credit_html":253,"title":254,"description":184,"author":134,"original_width":177,"original_height":178},64940,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10453791","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10453791\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Londonite-mun05-95a.jpg",{"id":256,"source_url":257,"license_code":130,"credit_html":258,"title":259,"description":260,"author":261,"original_width":262,"original_height":263},64941,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=14866310","Leon Hupperichs, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=14866310\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Londonite-101597.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FBorate_mineral\" class=\"extiw\" title=\"en:Borate mineral\">Londonite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Ambalabe pegmatite, Manapa pegmatite Field, Betafo District, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FVakinankaratra\" class=\"extiw\" title=\"en:Vakinankaratra\">Vakinankaratra Region\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FAntananarivo_Province\" class=\"extiw\" title=\"en:Antananarivo Province\">Antananarivo Province\u003C\u002Fa>, Madagascar (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-157484.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>A white 8 mm crystal of Londonite together with some Elbaite from the Ambalabe Pegmatite, Madagascar. Specimen and photo Leon Hupperichs.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>","Leon Hupperichs",811,609,{"id":265,"source_url":266,"license_code":130,"credit_html":267,"title":268,"description":269,"author":134,"original_width":161,"original_height":178},55208,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10160172","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10160172\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Londonite-Liddicoatite-Microcline-207511.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FBorate_mineral\" class=\"extiw\" title=\"en:Borate mineral\">Londonite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FLiddicoatite\" class=\"extiw\" title=\"en:Liddicoatite\">Liddicoatite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FMicrocline\" class=\"extiw\" title=\"en:Microcline\">Microcline\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Antsongombato gem mine, FKT Antsentsindrano, Andrembesoa Commune, Betafo District, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FVakinankaratra\" class=\"extiw\" title=\"en:Vakinankaratra\">Vakinankaratra Region\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FAntananarivo_Province\" class=\"extiw\" title=\"en:Antananarivo Province\">Antananarivo Province\u003C\u002Fa>, Madagascar (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-2262.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: 4.8 x 3.8 x 2.9 cm.\u003C\u002Fdd>\n\u003Cdd>A superb combination specimen that includes the very rare species, londonite, the cesium-dominant analogue of rhodizite. A gemmy and lustrous, 2.1 cm, sharp londonite crystal with vivid yellow color sits atop a beautifully contrasting, lustrous, cranberry-red liddicoatite crystal on microcline matrix. It is uncommon to see both londonite and liddicoatite in such richness together in a specimen.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",{"id":271,"source_url":272,"license_code":130,"credit_html":273,"title":274,"description":275,"author":134,"original_width":276,"original_height":277},55209,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10161855","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10161855\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Londonite-Liddicoatite-Quartz-217444.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FBorate_mineral\" class=\"extiw\" title=\"en:Borate mineral\">Londonite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FLiddicoatite\" class=\"extiw\" title=\"en:Liddicoatite\">Liddicoatite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FQuartz\" class=\"extiw\" title=\"en:Quartz\">Quartz\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Antsongombato gem mine, FKT Antsentsindrano, Andrembesoa Commune, Betafo District, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FVakinankaratra\" class=\"extiw\" title=\"en:Vakinankaratra\">Vakinankaratra Region\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FAntananarivo_Province\" class=\"extiw\" title=\"en:Antananarivo Province\">Antananarivo Province\u003C\u002Fa>, Madagascar (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-2262.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: 5.0 x 4.6 x 4.0 cm.\u003C\u002Fdd>\n\u003Cdd>A fine combination specimen that includes the very rare species, londonite, the cesium-dominant analogue of rhodizite. A large, gemmy and lustrous, 3.0 x 2.8 cm, sharp londonite crystal with pleasing pastel-yellow color dominates a quartz-rich pegmatite vein that includes lustrous, cranberry-red liddicoatite crystals (second photo). It is uncommon to see both londonite and liddicoatite in such richness together in a specimen. The large londonite crystal is pristine, which is uncommon in itself.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",700,675,{"id":279,"source_url":280,"license_code":130,"credit_html":281,"title":282,"description":275,"author":134,"original_width":283,"original_height":284},64933,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10161857","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10161857\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Londonite-Liddicoatite-Quartz-217447.jpg",673,607,{"id":286,"source_url":287,"license_code":130,"credit_html":288,"title":289,"description":290,"author":134,"original_width":291,"original_height":216},55210,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10163981","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10163981\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Londonite-Liddicoatite-231672.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FBorate_mineral\" class=\"extiw\" title=\"en:Borate mineral\">Londonite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FLiddicoatite\" class=\"extiw\" title=\"en:Liddicoatite\">Liddicoatite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Antsongombato gem mine, FKT Antsentsindrano, Andrembesoa Commune, Betafo District, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FVakinankaratra\" class=\"extiw\" title=\"en:Vakinankaratra\">Vakinankaratra Region\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FAntananarivo_Province\" class=\"extiw\" title=\"en:Antananarivo Province\">Antananarivo Province\u003C\u002Fa>, Madagascar (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-2262.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: 4.0 x 3.3 x 3.0 cm.\u003C\u002Fdd>\n\u003Cdd>A fine combination specimen that includes the very rare species, londonite, the cesium-dominant analogue of rhodizite. Two gemmy and lustrous, sharp londonite crystals to 1.5 cm with pastel-yellow color dominate a quartz-rich pegmatite vein that includes lustrous, cranberry-red liddicoatite crystals. It is uncommon to see both londonite and liddicoatite in such richness together in a specimen.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",690,{"id":293,"source_url":294,"license_code":295,"credit_html":296,"title":297,"description":298,"author":299,"original_width":300,"original_height":301},64942,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=80792203","CC BY 4.0","Dguendel, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=80792203\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Freiberg, Terra mineralia, Londonit, Elbait.JPG","Freiberg, Terra mineralia, londonite, elbaite,  location: Sahatany, Madagascar","Dguendel",4234,2264,[303,309,314],{"id":304,"url":305,"label":306,"formula":307,"spacegroup":308,"year":115},7858,"\u002Fcif\u002F7858.cif","Pekov 2010","Cs.553 K.332 Al4 B10.8 Be4.84 O28","P -4 3 m",{"id":310,"url":311,"label":312,"formula":313,"spacegroup":308,"year":115},7859,"\u002Fcif\u002F7859.cif","Gatta 2010","Cs.34 K.34 Rb.17 Al4 (Be5.32 B10.68) O28",{"id":315,"url":316,"label":317,"formula":318,"spacegroup":308,"year":319},7861,"\u002Fcif\u002F7861.cif","Taxer 1967","Cs B12 Be4 Al4 O28",1967,[321,322],"IMA1999-014","Londoniet",[324,328,333,337,341,344,347],{"lang":325,"names":326},"ca",[327],"londonita",{"lang":329,"names":330},"de",[331,332],"IMA 1999-014","Londonit",{"lang":334,"names":335},"eu",[336],"Londonita",{"lang":338,"names":339},"fi",[340],"Londoniitti",{"lang":342,"names":343},"fr",[7],{"lang":345,"names":346},"it",[7],{"lang":348,"names":349},"pl",[350],"londonit","Q3836589",{"history":11,"applications":11}]