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0 item @ $0.00  

Conichalcite

#AH54902

Conichalcite

#AH54902
Availability
Sold
Size
13.5 x 6 x 4.5 cm - Cabinet 
Formula
CaCuAsO4(OH) (RRUFF)
Locality
Mina Ojuela, Mapimi, Durango, Mexico
Tagged
arsenate , copper

Eye-catching bright green crystal balls to 1mm throughout limonitic matrix. There is some Calcite and Malachite. The balls of Conichalcite appear in the photos a bit greener than the specimen itself, in-hand. There is minor Malachite and Calcite in association. If you have a scope, you may not put it down!

Conichalcite

Formula
CaCuAsO4(OH) 
Crystal System
Orthorhombic 
Crystal Habit
Fibrous, Reniform, Massive 
Cleavage
None, None, None 
Luster
Vitreous - Greasy 
Color
yellow green, emerald green 
Streak
light green 
Class
Orthorhombic - Disphenoidal 
Fracture
Brittle - Uneven 
Hardness
4.5 

Data courtesy of Webmineral.

Collection
Arnold G Hampson Collection

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