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Austinite and Sodalite Physical Properties


Sodalite and Austinite Physical Properties


Physical Properties

Tenacity
Brittle   
Brittle   

Solubility
Easily soluble in cold dilute HCl   
Soluble   

Durability
Not Available   
Not Available   

Specific Gravity
4.12   
2.15-2.40   

Fracture
Brittle, Uneven, Brittle, Uneven   
Conchoidal, Uneven, UnevenArthur Thomas, Brittle   

Cleavage
Good in two directions parallel to the prism faces {110}   
Poor on {110}   

Mohs Hardness
4-4.5   
5-6   

Chemical Composition
CaZn(AsO4)(OH)   
Na8Al6Si6O24Cl2   

Optical Properties >>
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Austinite and Sodalite Chemical Formula

While comparing Austinite and Sodalite 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 Sodalite chemical formula.

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Austinite and Sodalite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Austinite and Sodalite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Austinite and Sodalite Optical Properties during the identification of gemstone. Specific gravity of Austinite is 2.15-2.40 whereas that of Sodalite is 2.15-2.40.

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