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Zinnwaldite and Austinite Physical Properties


Austinite and Zinnwaldite Physical Properties


Physical Properties

Tenacity
Elastic   
Brittle   

Solubility
Not Available   
Easily soluble in cold dilute HCl   

Durability
Not Available   
Not Available   

Specific Gravity
2.9-3.1   
4.12   

Fracture
Uneven   
Brittle, Uneven, Brittle, Uneven   

Cleavage
Perfect basal {001}   
Good in two directions parallel to the prism faces {110}   

Mohs Hardness
3.5-4.0   
4-4.5   

Chemical Composition
Not Available   
CaZn(AsO4)(OH)   

Optical Properties >>
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Zinnwaldite and Austinite Chemical Formula

While comparing Zinnwaldite 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 Zinnwaldite and Austinite chemical formula.

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Zinnwaldite and Austinite Specific Gravity

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

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