[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"minerals:one:25655":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":18,"key_elements":8,"impurities":8,"cim":8,"ima_status":8,"ima_notes":8,"ima_history":8,"approval_year":8,"publication_year":8,"discovery_year":8,"strunz10ed1":19,"strunz10ed2":19,"strunz10ed3":19,"strunz10ed4":8,"dana8ed1":8,"dana8ed2":8,"dana8ed3":8,"dana8ed4":8,"csystem":8,"cclass":8,"spacegroup":8,"spacegroupset":19,"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":8,"vhnmax":8,"vhnerror":8,"vhng":8,"vhns":8,"commenthard":8,"dmeas":8,"dmeas2":8,"dcalc":8,"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":8,"opticalalphaerror":8,"opticalbeta":8,"opticalbeta2":8,"opticalbetaerror":8,"opticalgamma":8,"opticalgamma2":8,"opticalgammaerror":8,"opticalomega":8,"opticalomega2":19,"opticalomegaerror":8,"opticalepsilon":8,"opticalepsilon2":19,"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":8,"rock_parent":8,"rock_parent2":8,"rock_root":20,"rock_bgs_code":8,"meteoritical_code":8,"updttime":21,"reviewed_at":8,"variety_of":22,"varieties":30,"group_members":31,"associates":32,"confused_with":33,"type_localities":34,"occurrence_total":20,"citations":35,"images":41,"structures":147,"synonyms":148,"language_names":151,"wikidata_qid":8,"texts":152},25655,"1:1:25655:3","26397c14-7819-4b2c-9920-ff2c4711e869","Cactus Quartz",null,2,"variety",3337,147,false,"SiO\u003Csub>2\u003C\u002Fsub>",[16,17],"Si","O",[16,17],"0",0,"2025-08-11 12:14:49",{"id":11,"name":23,"entrytype":20,"csystem":24,"ima_formula":14,"mindat_formula":14,"hmin":25,"hmax":25,"dmeas":26,"dcalc":27,"strunz10ed1":28,"primary_image_id":29},"Quartz","Trigonal",7,"2.65","2.66","4",30579,[],[],[],[],[],[36],{"id":37,"year":38,"html":39,"doi":40},15817548,2023,"Cairncross, Bruce (2023) Cactus Quartz--Boekenhouthoek, Mpumalanga Province, South Africa. \u003Ci>Rocks & Minerals\u003C\u002Fi>, 98 (3) 212-235 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1080\u002F00357529.2023.2167449'>doi:10.1080\u002F00357529.2023.2167449\u003C\u002Fa>","10.1080\u002F00357529.2023.2167449",[42,52,60,67,74,81,88,95,102,109,116,123,130,140],{"id":43,"source_url":44,"license_code":45,"credit_html":46,"title":47,"description":48,"author":49,"original_width":50,"original_height":51},37696,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10163326","CC BY-SA 3.0","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10163326\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Quartz-228356.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FQuartz\" class=\"extiw\" title=\"en:Quartz\">Quartz\u003C\u002Fa> (Var.: \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FAmethyst\" class=\"extiw\" title=\"en:Amethyst\">Amethyst\u003C\u002Fa>)\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Boekenhoutshoek area (Boekenhouthoek), Mkobola district, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FMpumalanga\" class=\"extiw\" title=\"en:Mpumalanga\">Mpumalanga Province\u003C\u002Fa>, South Africa (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-204011.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: 7.9 x 5.8 x 5.1 cm.\u003C\u002Fdd>\n\u003Cdd>An aesthetic and beautiful, two-sided, mounded amethyst specimen. Gorgeous, glassy, translucent to transparent, purple crystals of amethyst to 3.0 cm in size stand beautifully upright on the matrix. The crystals really sparkle and are called \"cactus quartz\" for their form. This is the true source for the amethystine quartz crystals (aka \"cactus quartz\" and \"spirit quartz\") erroneously marketed as being from the Magaliesberg Range. A lovely example with great color. Pristine, except for the periphery wear on one end.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>","Robert M. Lavinsky",750,563,{"id":53,"source_url":54,"license_code":45,"credit_html":55,"title":56,"description":57,"author":49,"original_width":58,"original_height":59},37697,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10163562","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10163562\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Quartz-229711.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FQuartz\" class=\"extiw\" title=\"en:Quartz\">Quartz\u003C\u002Fa> (Var.: \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FAmethyst\" class=\"extiw\" title=\"en:Amethyst\">Amethyst\u003C\u002Fa>)\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Boekenhoutshoek area (Boekenhouthoek), Mkobola district, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FMpumalanga\" class=\"extiw\" title=\"en:Mpumalanga\">Mpumalanga Province\u003C\u002Fa>, South Africa (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-204011.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: 5.2 x 3.5 x 2.8 cm.\u003C\u002Fdd>\n\u003Cdd>A beautiful, two-sided, mounded amethyst specimen. Four glassy, translucent to transparent, purple crystals of amethyst to 3.3 cm in size stand upright on the matrix. The crystals really sparkle and are called \"cactus quartz\" for their form. The terminations are isolated, while the bodies have a prickly, \"cactus\" look with an overgrowth of smaller crystals. This is the true source for the amethystine quartz crystals (aka \"cactus quartz\" and \"spirit quartz\") erroneously marketed as being from the Magaliesberg Range.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",600,497,{"id":61,"source_url":62,"license_code":45,"credit_html":63,"title":64,"description":65,"author":49,"original_width":58,"original_height":66},37698,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10164063","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10164063\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Quartz-231850.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FQuartz\" class=\"extiw\" title=\"en:Quartz\">Quartz\u003C\u002Fa> (Var.: \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FAmethyst\" class=\"extiw\" title=\"en:Amethyst\">Amethyst\u003C\u002Fa>)\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Boekenhoutshoek area (Boekenhouthoek), Mkobola district, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FMpumalanga\" class=\"extiw\" title=\"en:Mpumalanga\">Mpumalanga Province\u003C\u002Fa>, South Africa (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-204011.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: 7.8 x 6.8 x 6.4 cm.\u003C\u002Fdd>\n\u003Cdd>A beautiful two-sided, mounded amethyst specimen. Glassy, translucent to transparent, purple \"spires\" of amethyst to 6.6 cm in size stand upright on the matrix. The crystals really sparkle and are called \"cactus quartz\" for their form. The terminations are isolated, while the bodies have a prickly, \"cactus\" look with an overgrowth of smaller crystals. This is the true source for the amethystine quartz crystals (aka \"cactus quartz\" and \"spirit quartz\") erroneously marketed as being from the Magaliesberg Range.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",541,{"id":68,"source_url":69,"license_code":45,"credit_html":70,"title":71,"description":72,"author":49,"original_width":73,"original_height":58},37699,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10164878","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10164878\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Quartz-237635.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FQuartz\" class=\"extiw\" title=\"en:Quartz\">Quartz\u003C\u002Fa> (Var.: \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FAmethyst\" class=\"extiw\" title=\"en:Amethyst\">Amethyst\u003C\u002Fa>)\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Boekenhoutshoek area (Boekenhouthoek), Mkobola district, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FMpumalanga\" class=\"extiw\" title=\"en:Mpumalanga\">Mpumalanga Province\u003C\u002Fa>, South Africa (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-204011.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: 5.5 x 5.0 x 4.0 cm.\u003C\u002Fdd>\n\u003Cdd>A beautiful, mounded amethyst specimen. Gorgeous, glassy, translucent to transparent, purple crystals of amethyst to 3.8 cm in size stand upright on the matrix. The crystals really sparkle and are called \"cactus quartz\" for their form. The terminations are isolated, while the bodies have a prickly, \"cactus\" look with an overgrowth of smaller crystals. This is the true source for the amethystine quartz crystals (aka \"cactus quartz\" and \"spirit quartz\") erroneously marketed as being from the Magaliesberg Range.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",543,{"id":75,"source_url":76,"license_code":45,"credit_html":77,"title":78,"description":79,"author":49,"original_width":80,"original_height":58},37700,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10165022","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10165022\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Quartz-238847.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FQuartz\" class=\"extiw\" title=\"en:Quartz\">Quartz\u003C\u002Fa> (Var.: \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FAmethyst\" class=\"extiw\" title=\"en:Amethyst\">Amethyst\u003C\u002Fa>)\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Boekenhoutshoek area (Boekenhouthoek), Mkobola district, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FMpumalanga\" class=\"extiw\" title=\"en:Mpumalanga\">Mpumalanga Province\u003C\u002Fa>, South Africa (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-204011.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: 4.9 x 2.9 x 2.2 cm.\u003C\u002Fdd>\n\u003Cdd>A beautiful amethyst specimen. Fine, glassy, translucent to transparent, purple crystals of amethyst stand side by side. The crystals really sparkle and are called \"cactus quartz\" for their form. The terminations are isolated, while the bodies have a prickly, \"cactus\" look with an overgrowth of smaller crystals. This is the true source for the amethystine quartz crystals (aka \"cactus quartz\" and \"spirit quartz\") erroneously marketed as being from the Magaliesberg Range. A lovely example with great color and the iron oxide inclusions are a very nice accent. Complete-all-around and nearly pristine.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",396,{"id":82,"source_url":83,"license_code":45,"credit_html":84,"title":85,"description":86,"author":49,"original_width":58,"original_height":87},37701,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10166538","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10166538\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Quartz-247662.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FQuartz\" class=\"extiw\" title=\"en:Quartz\">Quartz\u003C\u002Fa> (Var.: \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FAmethyst\" class=\"extiw\" title=\"en:Amethyst\">Amethyst\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: Boekenhoutshoek area (Boekenhouthoek), Mkobola district, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FMpumalanga\" class=\"extiw\" title=\"en:Mpumalanga\">Mpumalanga Province\u003C\u002Fa>, South Africa (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-204011.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: 12.4 x 10.0 x 7.5 cm.\u003C\u002Fdd>\n\u003Cdd>A spectacular, two-sided amethyst specimen. Gorgeous, glassy, translucent to transparent, purple crystals of amethyst to 5.5 cm in size stand upright on the striking matrix of an earlier generation of quartz crystals. The crystals really sparkle and are called \"cactus quartz\" for their form. The terminations are isolated, while the bodies have a prickly, \"cactus\" look with an overgrowth of smaller crystals. The yellow iron oxide inclusions are a nice accent. This is the true source for the amethystine quartz crystals (aka \"cactus quartz\" and \"spirit quartz\") erroneously marketed as being from the Magaliesberg Range. A super example with great color. The amethyst crystals are all pristine.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",519,{"id":89,"source_url":90,"license_code":45,"credit_html":91,"title":92,"description":93,"author":49,"original_width":94,"original_height":58},37702,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10167239","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10167239\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Quartz-250263.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FQuartz\" class=\"extiw\" title=\"en:Quartz\">Quartz\u003C\u002Fa> (Var.: \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FAmethyst\" class=\"extiw\" title=\"en:Amethyst\">Amethyst\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: Boekenhoutshoek area (Boekenhouthoek), Mkobola district, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FMpumalanga\" class=\"extiw\" title=\"en:Mpumalanga\">Mpumalanga Province\u003C\u002Fa>, South Africa (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-204011.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: 9.8 x 7.0 x 8.8 cm.\u003C\u002Fdd>\n\u003Cdd>A spectacular, complete-all-around, amethyst specimen. Beautiful, glassy, translucent to transparent, purple crystals of amethyst to 5.5 cm in size stand upright on the striking matrix of an earlier generation of quartz crystals. The crystals really sparkle and are called \"cactus quartz\" for their form. The terminations are isolated, while the bodies have a prickly, \"cactus\" look with an overgrowth of smaller crystals. The yellow iron oxide inclusions are a nice accent. This is the true source for the amethystine quartz crystals (aka \"cactus quartz\" and \"spirit quartz\") erroneously marketed at first as being from the Magaliesberg Range.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",469,{"id":96,"source_url":97,"license_code":45,"credit_html":98,"title":99,"description":100,"author":49,"original_width":58,"original_height":101},37703,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10168129","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10168129\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Quartz-254999.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FQuartz\" class=\"extiw\" title=\"en:Quartz\">Quartz\u003C\u002Fa> (Var.: \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FAmethyst\" class=\"extiw\" title=\"en:Amethyst\">Amethyst\u003C\u002Fa>)\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Boekenhoutshoek area (Boekenhouthoek), Mkobola district, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FMpumalanga\" class=\"extiw\" title=\"en:Mpumalanga\">Mpumalanga Province\u003C\u002Fa>, South Africa (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-204011.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: 8.9 x 5.2 x 4.4 cm.\u003C\u002Fdd>\n\u003Cdd>An aesthetic and beautiful amethyst specimen. Gorgeous, glassy, translucent to transparent, purple crystals of amethyst stand side by side. The large crystal is 3.4 cm. The crystals really sparkle and are called \"cactus quartz\" for their form. The terminations are isolated, while the bodies have a prickly, \"cactus\" look with an overgrowth of smaller crystals. This is the true source for the amethystine quartz crystals (aka \"cactus quartz\" and \"spirit quartz\") erroneously marketed as being from the Magaliesberg Range. A lovely example with great color and the iron oxide inclusions are a very nice accent. Complete-all-around and very nearly pristine. Ex. Wes Parker Collection.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",412,{"id":103,"source_url":104,"license_code":45,"credit_html":105,"title":106,"description":107,"author":49,"original_width":58,"original_height":108},37704,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10168132","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10168132\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Quartz-255002.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FQuartz\" class=\"extiw\" title=\"en:Quartz\">Quartz\u003C\u002Fa> (Var.: \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FAmethyst\" class=\"extiw\" title=\"en:Amethyst\">Amethyst\u003C\u002Fa>)\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Boekenhoutshoek area (Boekenhouthoek), Mkobola district, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FMpumalanga\" class=\"extiw\" title=\"en:Mpumalanga\">Mpumalanga Province\u003C\u002Fa>, South Africa (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-204011.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: 11.4 x 8.4 x 8.0 cm.\u003C\u002Fdd>\n\u003Cdd>A striking cabinet amethyst specimen. Gorgeous, glassy, translucent to transparent, purple crystals of amethyst stand side by side on the plate. The large crystal really dominates this piece. The crystals really sparkle and are called \"cactus quartz\" for their form. The terminations are isolated, while the bodies have a prickly, \"cactus\" look with an overgrowth of smaller crystals. This is the true source for the amethystine quartz crystals (aka \"cactus quartz\" and \"spirit quartz\") erroneously marketed as being from the Magaliesberg Range. A lovely example with great color and the darker purple termination areas are a super accent. Complete-all-around and very nearly pristine. Ex. Wes Parker Collection. This specimen is distinctively different from the usual \"cactus quartz\" from this locale.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",465,{"id":110,"source_url":111,"license_code":45,"credit_html":112,"title":113,"description":114,"author":49,"original_width":58,"original_height":115},37705,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10168142","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10168142\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Quartz-255011.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FQuartz\" class=\"extiw\" title=\"en:Quartz\">Quartz\u003C\u002Fa> (Var.: \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FAmethyst\" class=\"extiw\" title=\"en:Amethyst\">Amethyst\u003C\u002Fa>)\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Boekenhoutshoek area (Boekenhouthoek), Mkobola district, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FMpumalanga\" class=\"extiw\" title=\"en:Mpumalanga\">Mpumalanga Province\u003C\u002Fa>, South Africa (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-204011.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: 16.8 x 13.2 x 5.8 cm.\u003C\u002Fdd>\n\u003Cdd>A fine large cabinet amethyst specimen. Gorgeous, glassy, translucent to transparent, purple crystals of amethyst cover the large plate. The large crystal is 4.0 cm. The crystals really sparkle and are called \"cactus quartz\" for their form. The terminations are isolated, while the bodies have a prickly, \"cactus\" look with an overgrowth of smaller crystals. This is the true source for the amethystine quartz crystals (aka \"cactus quartz\" and \"spirit quartz\") erroneously marketed as being from the Magaliesberg Range. A lovely example with great color and the iron oxide inclusions are a very nice accent. Complete-all-around and nearly pristine. Ex. Wes Parker Collection.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",502,{"id":117,"source_url":118,"license_code":45,"credit_html":119,"title":120,"description":121,"author":49,"original_width":58,"original_height":122},37706,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10168392","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10168392\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Quartz-256924.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FQuartz\" class=\"extiw\" title=\"en:Quartz\">Quartz\u003C\u002Fa> (Var.: \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FAmethyst\" class=\"extiw\" title=\"en:Amethyst\">Amethyst\u003C\u002Fa>)\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Boekenhoutshoek area (Boekenhouthoek), Mkobola district, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FMpumalanga\" class=\"extiw\" title=\"en:Mpumalanga\">Mpumalanga Province\u003C\u002Fa>, South Africa (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-204011.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: 11.8 x 9.9 x 6.3 cm.\u003C\u002Fdd>\n\u003Cdd>A striking cabinet amethyst specimen. Gorgeous, glassy, translucent to transparent, purple crystals of amethyst stand side by side. The large crystal is 7.0 cm. The crystals really sparkle and are called \"cactus quartz\" for their form. The terminations are isolated, while the bodies have a prickly, \"cactus\" look with an overgrowth of smaller crystals. This is the true source for the amethystine quartz crystals (aka \"cactus quartz\" and \"spirit quartz\") erroneously marketed as being from the Magaliesberg Range. A lovely example with great color and the iron oxide inclusions are a very nice accent. Complete-all-around.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",560,{"id":124,"source_url":125,"license_code":45,"credit_html":126,"title":127,"description":128,"author":49,"original_width":58,"original_height":129},37707,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10168675","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10168675\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Quartz-258283.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FQuartz\" class=\"extiw\" title=\"en:Quartz\">Quartz\u003C\u002Fa> (Var.: \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FAmethyst\" class=\"extiw\" title=\"en:Amethyst\">Amethyst\u003C\u002Fa>)\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Boekenhoutshoek area (Boekenhouthoek), Mkobola district, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FMpumalanga\" class=\"extiw\" title=\"en:Mpumalanga\">Mpumalanga Province\u003C\u002Fa>, South Africa (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-204011.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: 7.4 x 4.4 x 3.8 cm.\u003C\u002Fdd>\n\u003Cdd>An aesthetic and beautiful amethyst specimen. Gorgeous, glassy, translucent to transparent, purple crystals of amethyst stand side by side. The crystals really sparkle and are called \"cactus quartz\" for their form. The terminations are isolated, while the bodies have a prickly, \"cactus\" look with an overgrowth of smaller crystals. This is the true source for the amethystine quartz crystals (aka \"cactus quartz\" and \"spirit quartz\") erroneously marketed as being from the Magaliesberg Range. A lovely example with great color and the iron oxide inclusions are a very nice accent. Complete-all-around and essentially pristine. Ex. Wes Parker Collection.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",557,{"id":131,"source_url":132,"license_code":133,"credit_html":134,"title":135,"description":136,"author":137,"original_width":138,"original_height":139},37708,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=84716762","CC BY 2.0","Stephanie Clifford from Arlington, VA, USA, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=84716762\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Amethyst, Cactus Quartz Variety, Mpumalanga, South Africa (3561494954).jpg","Amethyst, Cactus Quartz Variety, Mpumalanga, South Africa","Stephanie Clifford from Arlington, VA, USA",1102,1152,{"id":141,"source_url":142,"license_code":133,"credit_html":143,"title":144,"description":136,"author":137,"original_width":145,"original_height":146},37709,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=84716764","Stephanie Clifford from Arlington, VA, USA, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=84716764\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Amethyst, Cactus Quartz Variety, Mpumalanga, South Africa (3561494604).jpg",1046,775,[],[149,150],"Kaktusquarz","Spirit Quartz",[],{"history":8,"applications":8}]