Mimetite
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Mimetite is a lead arsenate chloride mineral which forms as a secondary mineral in lead deposits, usually by the oxidation of galena and arsenopyrite. The name derives from the Greek Μιμητής mimetes,
Golden-yellow botryoidal mimetite from Congreso-León mines, Mexico
Mimetite from Namibia
Mimetite from Tsumeb mine, Namibia
Cluster of translucent, golden mimetite crystals
Mottramite
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Mottramite is an orthorhombic anhydrous vanadate hydroxide mineral, PbCu, at the copper end of the descloizite subgroup. It was formerly called cuprodescloizite or psittacinite. Duhamelite is a calciu
Mottramite (green) with chrysocolla (blue) from Mono County, California, US
Orange wulfenite on dark grey mottramite from Gila County, Arizona, USA
Calcite (white) covered by green mottramite from Tsumeb, Namibia