mineral

Azurite–malachite specimen

Azurite (Cu₃(CO₃)₂(OH)₂) with malachite (Cu₂CO₃(OH)₂), likely in a copper-ore matrix

AI-generated identification · may be incorrect

Intense royal to azure-blue azurite with green malachite coatings and brown host rock; azurite is Mohs 3.5–4, vitreous to earthy, monoclinic, with perfect cleavage and specific gravity about 3.7–3.9. The vivid blue-green color and granular/crystalline texture are diagnostic.

Identified August 26, 2026More mineral →

Explore Azurite–malachite specimen in the encyclopedia →

Identify your own rocks.

Get a report just like this from any photo, free.

App Store Google Play

At a glance

Common name: Azurite–malachite specimen
Scientific name: Azurite (Cu₃(CO₃)₂(OH)₂) with malachite (Cu₂CO₃(OH)₂), likely in a copper-ore matrix
Category: mineral
Identified: August 26, 2026
Method: Standard

AI Estimated Value

Approximately $30–$200 for a typical cabinet specimen; exceptional large, sharply crystalline or highly aesthetic pieces may sell for $500–$2,000+.

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 in the oxidized zones of copper deposits, where groundwater alters primary sulfides; most examples are Cenozoic to older, depending on the deposit. Common localities include Morocco, Arizona, Namibia, Australia, Mexico, and France.

Uses & applications

Collected as an ornamental and mineral specimen; historically ground as a blue pigment and occasionally used with malachite in decorative stone. It is too soft and chemically sensitive for most jewelry.

Geological facts

Azurite commonly alters into malachite, producing blue-green intergrowths. Acids cause effervescence, and prolonged light or weathering can darken or transform the blue mineral.

Field identification & locations

Identify by its deep blue color, green patches, softness, and association with brown iron-stained copper-ore matrix; avoid scratching or prolonged moisture and sunlight. Exact species proportions require testing or analysis.