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0 item @ $0.00  

Adamite (cuprian)

#PD36489

Adamite (cuprian)

#PD36489
Availability
Sold
Size
3 x 3 x 1.5 cm - Thumbnail 
Formula
Zn2AsO4(OH) (RRUFF)
Locality
Tsumeb mine, Tsumeb, Namibia
Tagged
arsenate

Deep green "cuproadamite" crystals most likely fro the 30 level of the second oxidation zone. Adamite from this level, like this specimen, contains the highes copper content. These Adamites are considered some of the finest from Tsumeb and are increasingly harder and harder to obtain. This specimen has 4-5mm crystals and is an excellent piece.

Adamite

Formula
Zn2AsO4(OH) 
Crystal System
Orthorhombic 
Crystal Habit
Tabular, Druse, Encrustations 
Cleavage
One Good 
Luster
Vitreous - Resinous 
Color
yellow, green, violet, pink, yellowish green 
Streak
white 
Class
Orthorhombic - Dipyramidal 
Fracture
Brittle 
Hardness
3.5 

Data courtesy of Webmineral.

Collection
Phillips Collection
Mineralpedia
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On Dakota Matrix
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Other Available Adamite
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Mindat
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