mineral
Chrysocolla
Hydrated copper silicate, (Cu,Al)2H2Si2O5(OH)4·nH2O
AI-generated identification · may be incorrectHardness of 2.5 to 3.5 on the Mohs scale, vibrant cyan to turquoise-blue or green color, waxy to earthy luster, and an amorphous or cryptocrystalline crystal structure.
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 2.5 to 3.5 on the Mohs scale, vibrant cyan to turquoise-blue or green color, waxy to earthy luster, and an amorphous or cryptocrystalline crystal structure.
Formation & geological history
Forms in the oxidation zones of copper ore bodies, typically as secondary deposits in arid environments.
Uses & applications
Widely used in jewelry making, ornamental carvings, and as a collector mineral specimen.
Geological facts
Chrysocolla is often found mixed with quartz or malachite, creating striking multicolored patterns known as eilat stone or gem silica.
Field identification & locations
Easily identified by its distinct blue-green color and low hardness. Commonly sourced from the southwestern United States, Chile, and Peru.
