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Chrysocolla is an opaque blue to blue-green mineral sometimes used in jewelry. It is usually cut as a cabochon. Chrysocolla is found embedded in rock crystal in copper mines in the USA, Russia, Chile, and the Congo. Although Chrysocolla has been used in ornaments since the time of the ancient Greeks, it was only described mineralogically in 1968.

(Cu,Al)2H2Si2O5(OH)4 nH2O - Hydrated Copper Silicate
Class:
Subclass:
Different hues of blue-green
White
Vitreous, gresy to earthy
Translucent to almost opaque
2.0 - 2.4
2.4
None
Concohidal to uneven
Microscopic acicular crystals, botryoidal, stalctitic and earthy aggregates.
Non-fluorescent
Frequency:
Abundant
Origin:
Secondary in copper deposits, associated with malachite and other secondary copper minerals.

Occurence:

Morenci, Bisbee, Ariazona, USA; New South Wales, Australia; El Dragon mine, Potasi, Bolivia.
Application:
Ore of copper, ornamental stone, as a mineral stone

Chrysacolla Gallery
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