mineral

Chrysocolla-rich copper ore (probable chrysocolla with malachite)

Chrysocolla, hydrated copper aluminosilicate, approximately (Cu,Al)₂H₂Si₂O₅(OH)₄·nH₂O; possible associated malachite, Cu₂CO₃(OH)₂

AI-generated identification · may be incorrect

Blue-green to turquoise, typically dull to vitreous or waxy, with irregular massive texture and no obvious cleavage; Mohs hardness about 2.5–4, depending on silica content. The specimen appears opaque and botryoidal/veined rather than crystalline.

Identified August 25, 2026More mineral →

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At a glance

Common name: Chrysocolla-rich copper ore (probable chrysocolla with malachite)
Scientific name: Chrysocolla, hydrated copper aluminosilicate, approximately (Cu,Al)₂H₂Si₂O₅(OH)₄·nH₂O; possible associated malachite, Cu₂CO₃(OH)₂
Category: mineral
Identified: August 25, 2026
Method: Standard

AI Estimated Value

About $5–$30 for a common rough specimen; $30–$150+ for attractive, sizable, stabilized, or strongly patterned pieces.

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 deposit in the oxidized zone above copper sulfide ores, commonly through groundwater alteration of copper minerals. It is generally geologically young relative to its host rocks, forming during near-surface weathering episodes.

Uses & applications

Used as a collector mineral, ornamental stone, and occasionally in cabochons; softer material is often stabilized with resin. Copper-bearing ore specimens may have limited industrial significance compared with economic copper deposits.

Geological facts

Chrysocolla’s vivid turquoise color can resemble turquoise, but it is usually softer and less compact. Malachite or quartz intergrowths commonly produce contrasting green, blue, and white banding.

Field identification & locations

Identify by its blue-green color, low hardness, waxy appearance, and association with green malachite or quartz; avoid scratching polished surfaces. Common localities include Arizona, New Mexico, Chile, Peru, the Democratic Republic of Congo, and Australia.