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Adamite var. Manganoan Adamite

#PD31623

Adamite var. Manganoan Adamite

#PD31623
Availability
Sold
Size
6.5 x 4.5 x 3 cm - Sm Cabinet 
Formula
Zn2AsO4(OH) (RRUFF)
Locality
Mina Ojuela, Mapimi, Durango, Mexico
Tagged
arsenate

This is a good Adamite specimen if you are looking for well-defined crystals. Most of the crystals are free-standing, vertically up so as to completely enable the viewer to see the rectangular - orthorhombic cross-section and the rectangular, chisel-like terminations. The crystals are about 6mm in length.

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
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