Common · Knowledge
Purpurite
Phosphate mineral
Purpurite is a manganese phosphate mineral with the formula MnPO4, with varying amounts of iron depending upon its source. It occurs in color ranges from brownish black to purple and violet to dark red. Purpurite forms a series with the iron-bearing endmember heterosite, FePO4.
From Wikipedia
Purpurite is a manganese phosphate mineral with the formula MnPO4, with varying amounts of iron depending upon its source. It occurs in color ranges from brownish black to purple and violet to dark red. Purpurite forms a series with the iron-bearing endmember heterosite, FePO4.
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