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Adamite (manganoan)

#50840

Adamite (manganoan)

#50840
Availability
Sold
Size
7 x 3 x 5 cm - Sm Cabinet 
Formula
Zn2AsO4(OH) (RRUFF)
Locality
Mina Ojuela, Mapimi, Durango, Mexico
Tagged
arsenate

Purple to pale yellow, short prismatic to pseudo-octahedral crystals of manganoan (purple) Adamite. Excellent, lustrous crystals associated with white Calcite (top). These days purple Adamite is very scarce on the market.

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.

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