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礦物之美-(水釩銅鉛石-MOTTRAMITE)
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MOTTRAMITE PbCuVO4OH (orthorhombic) . Crystals variable in form , plumose,aggregates,stalactatic,botryoidal. Tsumeb , Namibia .本礦呈草綠色葡萄狀,油脂光澤,條紋綠色,硬度 3~3.5,以次生礦形成於礦脈經過氧化的地帶,與 Descloizite-PbZn(VO4)(OH) 的區別在於銅和鋅的相對含量,為較為罕見之礦. 著名產地∼Tsumeb , Namibia.Pinal County, Arizona, USA; Chile; England; Bolivia . |
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