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1 item @ $25.00  
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Purpurite

#DL64461
SOLD
Purpurite from Sandamap pegmatite, Dâures, Erongo, Namibia - DL64461
Purpurite from Sandamap pegmatite, Dâures, Erongo, Namibia - DL64461

Purpurite

#DL64461
Availability
Sold
Size
9 x 6.5 x 9.5 cm - Cabinet 
Formula
(Mn3+,Fe3+)PO4 (RRUFF)
Locality
Sandamap pegmatite, Dâures, Erongo, Namibia
Tagged
phosphate , pegmatite mineral

Solid chunk of Purpurite, a relatively rare mineral outside of pegmatites. Purpurite forms by the metasomatic alteration of Triphylite-Lithiophilite series. Lithium is leached out of Triphylite-Lithiophilite while oxidizing iron and manganese to the trivalent state. The purple color of Purpurite is best displayed along the relic cleavage planes. 

Purpurite

Formula
(Mn3+,Fe3+)PO4 
Crystal System
Orthorhombic 
Crystal Habit
Massive - Granular 
Cleavage
Perfect, Perfect, None 
Luster
Earthy (Dull) 
Color
brownish black, violet, dark pink, dark red, reddish purple 
Streak
red 
Class
Orthorhombic - Dipyramidal 
Fracture
Brittle - Uneven 
Hardness
4-5 

Data courtesy of Webmineral.

Collection
Dr. David London Collection
Mineralpedia
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On Dakota Matrix
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Other Available Purpurite
WebMineral
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Mindat
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