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Dioptase with Malachite

#12316
SOLD
Dioptase from Harquahala mine, La Paz Co., Arizona, United States - 12316
Dioptase from Harquahala mine, La Paz Co., Arizona, United States - 12316

Dioptase with Malachite

#12316
Availability
Sold
Size
5 x 3.5 x 1.5 cm - Miniature 
Formula
CuSiO3·H2O (RRUFF)
Locality
Harquahala mine, La Paz Co., Arizona, United States
Tagged
copper

The Dioptase on this specimen is a deep emerald green eventhoug the digital camera wants to see it as blue. These are NOT blue Dioptase crystals but rather excellent glassy green micro crystals associate with fibrous Malachite.

Dioptase

Formula
CuSiO3·H2O 
Crystal System
Trigonal 
Crystal Habit
Massive, Cryptocrystalline, Crystalline - Coarse 
Cleavage
Good, None, None 
Luster
Vitreous (Glassy) 
Color
dark blue green, emerald green, turquoise 
Streak
green 
Class
Trigonal - Rhombohedral 
Fracture
Conchoidal 
Hardness
5 

Data courtesy of Webmineral.

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