mineral

Chrysocolla-bearing copper ore

Chrysocolla, hydrated copper phyllosilicate (approximately (Cu,Al)₂H₂Si₂O₅(OH)₄·nH₂O), likely mixed with malachite and/or turquoise

AI-generated identification · may be incorrect

Blue-green to turquoise, earthy to dull/waxy luster, typically massive and opaque with no visible crystals; Mohs hardness about 2.5–4, variable because of mixtures. Specific gravity is commonly about 1.9–2.4.

Identified August 18, 2026More mineral →

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At a glance

Common name: Chrysocolla-bearing copper ore
Scientific name: Chrysocolla, hydrated copper phyllosilicate (approximately (Cu,Al)₂H₂Si₂O₅(OH)₄·nH₂O), likely mixed with malachite and/or turquoise
Category: mineral
Identified: August 18, 2026
Method: Standard

AI Estimated Value

Approximately $5–$30 for a common rough piece; attractive polished or gem-quality material may sell for $30–$150 or more.

Not an official valuation

AI estimate for general interest only — not an appraisal. Actual value depends on condition, provenance, and market demand. Verify with a professional before buying, selling, or insuring.

This identification was generated by AI and may contain errors. Verify important details before relying on them — and never use an AI result to judge whether a specimen is safe to handle. Read the full disclaimer

Physical properties

Formation & geological history

Forms as a secondary copper-mineral coating in oxidized zones above copper sulfide deposits, where acidic groundwater alters copper-bearing minerals. It is generally geologically young relative to its host ore and may occur with quartz, limonite, azurite, and malachite.

Uses & applications

Used as a colorful lapidary and ornamental material, in cabochons and carvings; low-grade material is mainly collected as a mineral specimen. It is not typically used as a major copper ore unless copper content is substantial.

Geological facts

Chrysocolla is often confused with turquoise because of its similar color, but it is usually softer and more porous. Dark veining or green patches commonly indicate associated malachite, copper oxides, or host rock.

Field identification & locations

Common localities include Arizona, Nevada, New Mexico, Chile, Peru, the Democratic Republic of Congo, and Australia. A vivid blue-green color, low hardness, earthy texture, and association with copper minerals support identification; acid testing and laboratory analysis are more reliable.