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This sample of chalcosiderite is displayed in the Smithsonian Museum of Natural History. Chalcosiderite is a phosphate mineral of calcium and iron with the composition CaFe6(PO4)4(OH)8.4H2O. The sample at left is about 14 cm across and is from Wheal Phoenix, Liskeard, Cornwall, England.
这种chalcosiderite样品陈列在史密森尼自然历史博物馆中。chalcosiderite是一种含钙和铁的磷酸盐矿物,其化学式为CaFe₆(PO₄)₄(OH)₈·4H₂O。左图中的样品宽约14厘米,采自英格兰康沃尔郡利斯凯德的Wheal Phoenix。
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