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Dravite
Dravite

Hyalite
Hyalite



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Dravite
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Hyalite

Dravite and Hyalite 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)
 
-
-
-
-9999
Conchoidal
None
5.5-6.5
SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)

Dravite and Hyalite Chemical Formula

While comparing Dravite and Hyalite 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 Hyalite chemical formula.

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Dravite and Hyalite Specific Gravity

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