Roscherite Englishite Image

Roscherite Englishite Image
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 Englishite, Roscherite

Large Englishite Image

Mineral: Englishite: K3Na2Ca10Al15(PO4)21(OH)7·26(H2O)  
Roscherite: Ca(Mn++,Fe++)5Be4(PO4)6(OH)4·6(H2O)
Comments: Black crystalline aggregate of roscherite on white englishite.
Location: Tip Top mine, Custer, Custer County, South Dakota, USA.
Scale: Not Given.
Copyright: © Lou Perloff / Photo Atlas of Minerals
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