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Austinite and Starlite Physical Properties


Starlite and Austinite Physical Properties


Physical Properties

Tenacity
Brittle   
Not Available   

Solubility
Easily soluble in cold dilute HCl   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
4.12   
3.91-4.73   

Fracture
Brittle, Uneven, Brittle, Uneven   
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)   

Cleavage
Good in two directions parallel to the prism faces {110}   
Not Available   

Mohs Hardness
4-4.5   
6.5-7.5   

Chemical Composition
CaZn(AsO4)(OH)   
ZrSiO 4Michael O’Donoghue , Gems, Sixth Edition (2006)   

Optical Properties >>
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Austinite and Starlite Chemical Formula

While comparing Austinite and Starlite 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 Starlite chemical formula.

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Austinite and Starlite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Austinite and Starlite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Austinite and Starlite Optical Properties during the identification of gemstone. Specific gravity of Austinite is 3.91-4.73 whereas that of Starlite is 3.91-4.73.

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Green Gemstones


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