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Diaspore (manganoan)

#PD33904
SOLD
Diaspore from Postmasburg, Northern Cape Province, South Africa - PD33904
Diaspore from Postmasburg, Northern Cape Province, South Africa - PD33904

Diaspore (manganoan)

#PD33904
Availability
Sold
Size
6 x 8 x 5 cm - Sm Cabinet 
Formula
AlO(OH) (RRUFF)
Locality
Postmasburg, Northern Cape Province, South Africa

Dark brown bladed manganoan Diaspore crystals to 1.5cm composing the entire specimen.

Diaspore

Formula
AlO(OH) 
Crystal System
Orthorhombic 
Crystal Habit
Platy, Tabular, Disseminated 
Cleavage
Perfect, Good, None 
Luster
Vitreous - Pearly 
Color
white, greenish gray, grayish brown, colorless, yellow 
Streak
white 
Class
Orthorhombic - Dipyramidal 
Fracture
Brittle - Conchoidal 
Hardness
6.5-7 

Data courtesy of Webmineral.

Collection
Phillips Collection
Mineralpedia
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On Dakota Matrix
Previously Sold Diaspore
On Dakota Matrix
Other Available Diaspore
WebMineral
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Mindat
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