Chrysocolla
mineral · common
Quick facts
- Formula
- Cu2-xAlx(H2-xSi2O5)(OH)4·nH2O
- Hardness
- 2-4
- Luster
- Vitreous to dull
- Colors
- Blue, blue-green, green
Chrysocolla is a hydrated copper phyllosilicate mineral with a cyan (blue-green) color, often used as a gemstone.
Identify by its softer hardness and often more vivid blue-green color compared to turquoise.
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