mineral
Chrysocolla in Cuprite
(Cu,Al)2H2Si2O5(OH)4 · nH2O (Chrysocolla) and Cu2O (Cuprite)
AI-generated identification · may be incorrectHardness 2-4 (Chrysocolla), 3.5-4 (Cuprite); mottled blue-green, red, brownish; vitreous to dull luster; massive habit.
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Physical properties
Hardness 2-4 (Chrysocolla), 3.5-4 (Cuprite); mottled blue-green, red, brownish; vitreous to dull luster; massive habit.
Formation & geological history
Secondary minerals formed in the oxidation zones of copper ore bodies.
Uses & applications
Commonly polished and cut into cabochons for jewelry, also collected as mineral specimens.
Geological facts
This combination is often called 'Sonora Sunrise' or 'Sonora Sunset' when from Mexico, characterized by vivid blue/green chrysocolla and red cuprite.
Field identification & locations
Identified by its distinctive combination of vivid blue-green and deep red/brown colors. Found in copper mining regions like Arizona, Mexico, and Chile.
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