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Topaz and Vlasovite Physical Properties


Vlasovite and Topaz Physical Properties


Physical Properties

Tenacity
Not Available   
Brittle   

Solubility
Not Available   
Nearly insoluble in HCl and HNO3   

Durability
Not Available   
Not Available   

Specific Gravity
3.49-3.57   
2.97   

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

Cleavage
[001] Perfect   
Distinct on {010}   

Mohs Hardness
8   
6   

Chemical Composition
Al2SiO4(F,OH)2   
Not Available   

Optical Properties >>
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Topaz and Vlasovite Chemical Formula

While comparing Topaz and Vlasovite 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 Topaz and Vlasovite chemical formula.

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Topaz and Vlasovite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Topaz and Vlasovite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Topaz and Vlasovite Optical Properties during the identification of gemstone. Specific gravity of Topaz is 2.97 whereas that of Vlasovite is 2.97.

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