| (Fe, Mg, Mn)3(PO4)2.4H2O
(Fe, Mg, Mn)₃(PO₄)₂·4H₂O
This sample of ludlamite is displayed in the Smithsonian Museum of Natural History. Ludlamite is a phosphate mineral of iron, magnesium and manganese with the composition (Fe, Mg, Mn)3(PO4)2.4H2O. The sample at left is about 5 cm across and is from Blackbird mine, Lemhi County, Idaho.
这种 Ludlamite 样本陈列在史密森尼自然历史博物馆中。Ludlamite 是一种含铁、镁和锰的磷酸盐矿物,化学式为 (Fe, Mg, Mn)₃(PO₄)₂·4H₂O。左侧的样本宽约 5 厘米,来自美国爱达荷州 Lemhi 县的 Blackbird 矿。
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