| 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.
|