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Azure malachite
Azure malachite

Austinite
Austinite



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Azure malachite
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Austinite

Azure malachite and Austinite Physical Properties

Physical Properties

Tenacity

-
Brittle

Solubility

-
Easily soluble in cold dilute HCl

Durability

-
-

Specific Gravity

-99994.12
1 7.18
👆🏻

Fracture

-
Uneven

Cleavage

None
Good in two directions parallel to the prism faces {110}

Mohs Hardness

-99994-4.5
2 10
👆🏻

Chemical Composition

Cu3(CO3)2(OH)2
CaZn(AsO4)(OH)

Azure malachite and Austinite Chemical Formula

While comparing Azure malachite and Austinite physical properties, the important data you should know is its chemical composition. Since chemical formula defines the molecular structure of the crystal, most of the physical properties like color, tenacity, solubility are governed by Azure malachite and Austinite chemical formula.

  • Chemical formula of Azure malachite- Cu3(CO3)2(OH)2
  • Chemical formula of Austinite- CaZn(AsO4)(OH)

Azure malachite and Austinite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Azure malachite and Austinite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Azure malachite and Austinite Optical Properties during the identification of gemstone. Specific gravity of Azure malachite is 4.12 whereas that of Austinite is 4.12.