Azurite

Cu3(CO3)2(OH)2

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Azurite is an intense blue copper carbonate mineral, historically important as a blue pigment. It commonly occurs with malachite and may pseudomorphously replace to malachite. Fine azurite crystals from Morocco and Namibia are highly sought by collectors.

Crystal System Monoclinic
Mineral Class 05 Carbonates and Nitrates
Mohs Hardness 3.5-4.0
Specific Gravity 3.77-3.89
Color Azure blue, dark blue
Luster Vitreous
Streak Light blue
Cleavage Perfect {011}, fair {100}
Fracture Conchoidal
Transparency Transparent
Crystal Habit Prismatic, tabular, massive

Mohs Hardness

Mohs Hardness: 3.5 – 4.0
1 Soft10 Hard

Crystal System

Monoclinic

Frequently Asked Questions

What is the hardness of Azurite?
Azurite has a Mohs hardness of 3.5-4.0.
What crystal system does Azurite belong to?
Azurite crystallizes in the Monoclinic crystal system.
What color is Azurite?
Azurite is typically Azure blue, dark blue.
What type of luster does Azurite have?
Azurite exhibits a Vitreous luster.
What is the chemical formula of Azurite?
The chemical formula of Azurite is Cu3(CO3)2(OH)2.