mineral
Chrysocolla
(Cu,Al)2H2Si2O5(OH)4·nH2O
AI-generated identification · may be incorrectHardness of 2 to 4 on the Mohs scale, vibrant cyan to bluish-green color, vitreous to earthy luster, amorphous or cryptocrystalline structure, specific gravity around 2.0 to 2.4.
Identified More mineral →
Explore Chrysocolla in the encyclopedia →Identify your own rocks.
Get a report just like this from any photo, free.
Physical properties
Hardness of 2 to 4 on the Mohs scale, vibrant cyan to bluish-green color, vitreous to earthy luster, amorphous or cryptocrystalline structure, specific gravity around 2.0 to 2.4.
Formation & geological history
Forms as a secondary mineral in the oxidized zones of copper ore bodies, precipitated from silica-rich aqueous solutions.
Uses & applications
Widely used for ornamental jewelry, cabochons, and as a collector mineral specimen.
Geological facts
Chrysocolla is often found mixed with malachite, azurite, and quartz, which can enhance its hardness and color patterns. It has been used since antiquity as a gemstone and pigment.
Field identification & locations
Easily identified by its distinctive bright blue-green coloration and relatively soft composition. Commonly sourced from the USA, Chile, Peru, and Russia.
