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 Perloffite

Large Perloffite Image

Mineral: Perloffite: Ba(Mn,Fe++)2Fe+++2(PO4)3(OH)3
Comments: Black, prismatic perloffite crystals on matrix.
Location: Big Chief mine, Keystone, Pennington County, South Dakota, USA.
Scale: Not Given.
Copyright: © Lou Perloff / Photo Atlas of Minerals
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