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Foitite
Foitite

Vlasovite
Vlasovite



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Foitite
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Vlasovite

Foitite and Vlasovite Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
3.17
-
None
7
Na x[Fe2+2(Al,Fe3+ )]Al 6(BO 3) 3Si 6O 18(OH) 4Anthony et al , Handbook of mineralogy (2001)
 
Brittle
Nearly insoluble in HCl and HNO3
-
2.97
Conchoidal
Distinct on {010}
6
-

Foitite and Vlasovite Chemical Formula

While comparing Foitite 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 Foitite and Vlasovite chemical formula.

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Foitite and Vlasovite Specific Gravity

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