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Purpurite from
Sandamap pegmatite (Sandamab pegmatite), Sandamap North Farm 115 (Sandamab), Usakos, Karibib District, Erongo Region, Namibia

Mineral Species
Species:Purpurite
Formula:(Mn3+,Fe3+)PO4
Analysis Notes:Keller (1991) has determined that the Fe/Mn ratio for this series at Sandamap is 1.63 and says that the Fe/Mn ratio for phosphate minerals in the pegmatites of the Southern Tin Belt is homogeneous.
Description
Quality of samples:not specified / average specimens
Confirmation
Validity:Believed Valid
References
References:[Schumann, 1992, 184 - "Minerals of the World"]
Data
Mineral Data:Click here to view Purpurite data
Locality Data:Click here to view Sandamap pegmatite (Sandamab pegmatite), Sandamap North Farm 115 (Sandamab), Usakos, Karibib District, Erongo Region, Namibia
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