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Cuprotungstite

#AH51757

Cuprotungstite

#AH51757
Availability
Sold
Size
9 x 6 x 4 cm - Sm Cabinet 
Formula
Cu2+3(WO4)2(OH)2 (RRUFF)
Locality
Yankee Tungsten mine, Dead Horse Wells, Mineral Co., Nevada, United States
Tagged
copper

Somewhere along the line, they decided to rename Cuproscheelite (the old label from Hampson) to Cuprotungstite (the new label from DMM). It's a grungy rock with showings of green, which must be the Cuprotungstite. A good rep from this old mine. It was aquired by Hampson in 1945.

Cuprotungstite

Formula
Cu2+3(WO4)2(OH)2 
Crystal System
Tetragonal 
Crystal Habit
Crystalline - Fine, Massive - Fibrous 
Luster
Vitreous - Waxy 
Color
brown green, olive green, yellowish green 
Streak
green 
Class
Tetragonal 
Fracture
Brittle - Conchoidal 
Hardness
4-5 

Data courtesy of Webmineral.

Collection
Arnold G Hampson Collection

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