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Calcioandyrobertsite-1M Tennantite Image

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 Calcioandyrobertsite-1M, Tennantite

Large Calcioandyrobertsite-1M Image

Mineral: Calcioandyrobertsite-1M: KCaCu5(AsO4)4[As(OH)2O2]ยท2(H2O)  
Tennantite: (Cu,Fe)12As4S13
Comments: Vein of blue calcioandyrobertsite in massive dark gray tennantite. The vein of calcioandyrobertsite extends for 0.8cm.
Location: Tsumeb Mine, Tsumeb, Namibia.
Scale: Specimen size 1.1 x 0.5 cm.
Copyright: © John Veevaert
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