| Ca2(Mn,Fe)(PO4)2.2H2O
Ca₂(Mn,Fe)(PO₄)₂·2H₂O
These samples of fairfieldite are displayed in the Smithsonian Museum of Natural History. Fairfieldite is a phosphate mineral with the composition Ca2(Mn,Fe)(PO4)2.2H2O. The sample at left is about 6-8 cm across and is from Foote Mineral Co. spodumene mine, Kings Mountain, North Carolina.
这些fairfieldite样品陈列在史密森尼自然历史博物馆中。fairfieldite是一种磷酸盐矿物,化学式为Ca₂(Mn,Fe)(PO₄)₂·2H₂O。左侧样品尺寸约为6-8厘米,采自北卡罗来纳州金斯山的Foote矿物公司spodumene矿。
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