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Vishnevite and Foitite Physical Properties


Foitite and Vishnevite Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
Not Available   
3.17   

Fracture
Brittle, Uneven   
Handbook of mineralogy (2001)   

Cleavage
Perfect   
None   

Mohs Hardness
5-6   
7   

Chemical Composition
Not Available   
Na x[Fe2+2(Al,Fe3+ )]Al 6(BO 3) 3Si 6O 18(OH) 4Anthony et al , Handbook of mineralogy (2001)   

Optical Properties >>
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Vishnevite and Foitite Chemical Formula

While comparing Vishnevite and Foitite 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 Vishnevite and Foitite chemical formula.

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Vishnevite and Foitite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Vishnevite and Foitite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Vishnevite and Foitite Optical Properties during the identification of gemstone. Specific gravity of Vishnevite is 3.17 whereas that of Foitite is 3.17.

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