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Andalusite
Andalusite

Vlasovite
Vlasovite



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Andalusite
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Vlasovite

Andalusite and Vlasovite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
3.05-3.21
Uneven, Subconchoidal, Splintery
Good on {110}, poor on {100}
7.5
Al 2SiO 5Michael O’Donoghue , Gems, Sixth edition (2006) More from other references
 
Brittle
Nearly insoluble in HCl and HNO3
-
2.97
Conchoidal
Distinct on {010}
6
-

Andalusite and Vlasovite Chemical Formula

While comparing Andalusite 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 Andalusite and Vlasovite chemical formula.

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Andalusite and Vlasovite Specific Gravity

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