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Mottramite with Calcite

#PD34173

Mottramite with Calcite

#PD34173
Availability
Sold
Size
8.5 x 5 x 5 cm - Sm Cabinet 
Formula
PbCuVO4(OH) (RRUFF)
Locality
Tsumeb mine, Tsumeb, Namibia
Tagged
copper , vanadate

Much better in person than the photos show, this specimen is actually a nice combination piece with drusy dark green Mottramite covering rhombic Calcite.

Mottramite

Formula
PbCuVO4(OH) 
Crystal System
Orthorhombic 
Crystal Habit
Plumose, Radial, Encrustations 
Cleavage
None, None, None 
Luster
Greasy (Oily) 
Color
brown, brown red, brownish black, green, dark green 
Streak
light brownish green 
Class
Orthorhombic - Dipyramidal 
Fracture
Brittle 
Hardness
3.5 

Data courtesy of Webmineral.

Collection
Phillips Collection

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