mineral

Chrysocolla-rich copper ore

Chrysocolla, a hydrated copper silicate; composition is variable and commonly mixed with quartz or copper oxides

AI-generated identification · may be incorrect

Bright turquoise to blue-green, earthy to waxy luster, usually massive with no visible crystals; Mohs hardness roughly 2–4, with variable density and fracture. The image’s rough, earthy texture and vivid copper-blue color are consistent with chrysocolla, though a photo cannot confirm the identification.

Identified October 1, 2026More mineral →

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Physical properties

Formation & geological history

Forms as a secondary copper mineral during near-surface oxidation of copper deposits, often alongside malachite, azurite, and quartz. Such deposits occur across many geological ages and climates.

Uses & applications

Attractive material is used for cabochons, beads, and specimens; copper-bearing ore may be processed for copper, but this piece’s grade is unknown.

Geological facts

Chrysocolla’s color comes from copper; it is often intergrown with other copper minerals, producing mottled specimens.

Field identification & locations

Look for vivid blue-green color in oxidized copper zones, but confirm with mineral testing because dyed or mixed copper ores can look similar. Common localities include Arizona, Chile, Peru, and the Democratic Republic of the Congo.