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Schaurteite: Ca3Ge++++(SO4)2(OH)6·3(H2O) Tennantite: (Cu,Fe)12As4S13
Comments: Bright white silky fibrous schaurteite on dark tennantite. Location: Tsumeb, Oshikoto, Namibia. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Schaurteite: Ca3Ge++++(SO4)2(OH)6·3(H2O)
Comments: Snow white acicular crystals of schauteite to about 1mm in a matted mass. Location: Tsumeb mine, Tsumeb, Namibia. Scale: Picture size 5 mm. © Tom Loomis / Dakota Matrix