Lipscombite, Perhamite

Specimen ID: DXV-JMC

Lipscombite : Fe2+Fe3+2(PO4)2(OH)2
Perhamite : Ca3Al7.7Si3P4O23.5(OH)14.1·8H2O
Mindat locality:

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Brown, pyramidal crystals of lipscombite set in perhamite. The brown variety is a result of all the iron in the ferric state. W. Wise microprobe analysis, specimen, and image.
William Wise - 22nd February 2006
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