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Dravite
Dravite

Vishnevite
Vishnevite



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Dravite
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Vishnevite

Dravite and Vishnevite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
3.03-3.18
Uneven, Irregular, Conchoidal
{???} Indistinct
7-7.5
Na(Mg 3)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)
 
-
-
-
-9999
Uneven
Perfect
5-6
-

Dravite and Vishnevite Chemical Formula

While comparing Dravite and Vishnevite 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 Dravite and Vishnevite chemical formula.

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Dravite and Vishnevite Specific Gravity

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