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Prasiolite
Prasiolite

Dravite
Dravite



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Prasiolite
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Dravite

Prasiolite and Dravite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
Brittle
-
-
2.65
Conchoidal, ConchoidalWalter Schumann
3,1
7
SiO 2Ulrich Henn and Claudio C.
 
-
-
-
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)

Prasiolite and Dravite Chemical Formula

While comparing Prasiolite and Dravite 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 Prasiolite and Dravite chemical formula.

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Prasiolite and Dravite Specific Gravity

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