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Dravite
Dravite

Pleonaste
Pleonaste



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Dravite
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Pleonaste

Dravite and Pleonaste Physical Properties

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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)
 
-
-
-
3.80
-
Indistinct
8
(Mg,Fe)Al 2O 4Gemdat.org , Management Team (2012)

Dravite and Pleonaste Chemical Formula

While comparing Dravite and Pleonaste 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 Pleonaste chemical formula.

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Dravite and Pleonaste Specific Gravity

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