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Austinite and Mimetite Physical Properties


Mimetite 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   
7.10   

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

Cleavage
Good in two directions parallel to the prism faces {110}   
[10 1 1] Imperfect   

Mohs Hardness
4-4.5   
3.5   

Chemical Composition
CaZn(AsO4)(OH)   
Pb 5(AsO 4) 3ClMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references   

Optical Properties >>
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Austinite and Mimetite Chemical Formula

While comparing Austinite and Mimetite 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 Mimetite chemical formula.

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Austinite and Mimetite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Austinite and Mimetite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Austinite and Mimetite Optical Properties during the identification of gemstone. Specific gravity of Austinite is 7.10 whereas that of Mimetite is 7.10.

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