mineral
Chrysocolla in Matrix
Hydrated copper phyllosilicate, (Cu,Al)2H2Si2O5(OH)4·nH2O
AI-generated identification · may be incorrectHardness of 2 to 4 on the Mohs scale, vibrant blue-green to cyan coloration, vitreous to earthy luster, and amorphous or cryptocrystalline crystal structure.
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Physical properties
Hardness of 2 to 4 on the Mohs scale, vibrant blue-green to cyan coloration, vitreous to earthy luster, and amorphous or cryptocrystalline crystal structure.
Formation & geological history
Forms as a secondary mineral in the oxidation zones of copper ore bodies, commonly deposited in hydrothermal veins and altered host rocks.
Uses & applications
Utilized as an ornamental gemstone for cabochons and carvings, and as a minor ore of copper.
Geological facts
Chrysocolla is often confused with turquoise due to its similar cyan hue, though it is significantly softer.
Field identification & locations
Identified by its distinct blue-green patches within a host rock and its soft, earthy texture. Found globally in copper-rich mining districts such as the southwestern United States and Chile.
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Other mineral specimens
Gneiss or Schist
Gneiss or Mica Schist with Garnet
Metamorphic
Sandstone (with potential mineral staining/concretions)
Arenite (SiO2 based)
sedimentary
Tumbled granite
Granite, a coarse-grained felsic intrusive igneous rock
igneous
Pegmatite with Tourmaline and Quartz
Igneous Pegmatite
igneous
Epidote
Epidote | Ca2(Al2,Fe3+)(SiO4)(Si2O7)O(OH)
metamorphic
Granite
Granite (Phaneritic intrusive igneous rock)
igneous