mineral

Azurite Malachite (Mixed)

Azurite-Malachite; Azurite: Cu3(CO3)2(OH)2 / Malachite: Cu2CO3(OH)2

AI-generated identification · may be incorrect

Hardness: 3.5-4.0 (Mohs scale); Color: Intense deep blue (azurite) mixed with vibrant green (malachite); Luster: Vitreous to sub-adamantine; Crystal Structure: Monoclinic; Cleavage: Fair to poor; Specific Gravity: 3.7-3.9

Hardness: 3
Luster: Vitreous to sub-adamantine

Identified March 14, 2026More mineral →

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Physical properties

Formation & geological history

Formed in the oxidation zones of copper ore deposits where carbonated waters interact with copper minerals. These are secondary minerals typically associated with copper-rich geochemical environments.

Uses & applications

Primary use in jewelry as beads or cabochons, ornamental stone carvings, and as a collective mineral specimen. Historically used as a pigment for blue and green dyes.

Geological facts

Azurite and Malachite are often found together because azurite is chemically unstable in open-air environments and frequently pseudomorphs (chemically transforms) into malachite over geological time.

Field identification & locations

Identify in the field by the distinct 'concentric' green banding of malachite paired with the 'royal blue' of azurite. Commonly found in copper-rich regions of Arizona (USA), Namibia, Congo, and Australia.