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Dravite
Dravite

Verdite
Verdite



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Dravite
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Verdite

Dravite and Verdite Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
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-
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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)
 
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-
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2.80-3.0
-
{110} Good
3
NaFeS2•2(H2O)

Dravite and Verdite Chemical Formula

While comparing Dravite and Verdite 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 Verdite chemical formula.

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Dravite and Verdite Specific Gravity

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