purpurite
Sign in to savePurpurite 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 via purple and violet to dark red.
Key facts
- Mineral.IMAsymbol
- Pur
- Mineral.name
- Purpurite
- Mineral.category
- Phosphate minerals
- Mineral.image
- Purpurite - Sandamab Pegmatite, Erongo Region, Namibia 2.jpg
- Mineral.caption
- Purpurite from Namibia
- Mineral.formula
- Mn3+PO4
- Mineral.molweight
- 149.91 g/mol
- Mineral.strunz
- 8.AB.10
- Mineral.system
- Orthorhombic
- Mineral.class
- Dipyramidal (mmm) H-M symbol: (2/m 2/m 2/m)
- Mineral.symmetry
- Pnmb
- Mineral.color
- Brownish black, violet, dark pink, dark red, reddish purple
- Mineral.habit
- Massive to granular
- Mineral.cleavage
- [100] [001] perfect
- Mineral.tenacity
- Brittle
- Mineral.fracture
- Uneven
- Mineral.mohs
- 4–5
- Mineral.luster
- Earthy
via Wikipedia infobox
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Encyclopedic overview
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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 via purple and violet to dark red.
Purpurite forms a series with the iron-bearing endmember heterosite, FePO4.
Excerpted from Wikipedia’s “purpurite” article, available under the CC BY-SA 4.0 licence.