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Austinite and Atacamite Physical Properties


Atacamite and Austinite Physical Properties


Physical Properties

Tenacity
Brittle   
Brittle   

Solubility
Easily soluble in cold dilute HCl   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
4.12   
3.745-3.776   

Fracture
Brittle, Uneven, Brittle, Uneven   
Conchoidal, Conchoidal, Brittle   

Cleavage
Good in two directions parallel to the prism faces {110}   
Perfect on {010}, fair on {101}   

Mohs Hardness
4-4.5   
3-3.5   

Chemical Composition
CaZn(AsO4)(OH)   
Cu2Cl(OH)3   

Optical Properties >>
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Austinite and Atacamite Chemical Formula

While comparing Austinite and Atacamite 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 Austinite and Atacamite chemical formula.

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Austinite and Atacamite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Austinite and Atacamite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Austinite and Atacamite Optical Properties during the identification of gemstone. Specific gravity of Austinite is 3.745-3.776 whereas that of Atacamite is 3.745-3.776.

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