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Prase
Prase

Sillimanite
Sillimanite



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Prase
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Sillimanite

Prase and Sillimanite Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
2.64-2.69
-
None
7
SiO 2Michael O’Donoghue , Gems, Sixth Edition (2006)
 
Tough
-
-
3.20-3.26
Splintery
{010} perfect
6-7.5
Al 2SiO 5Michael O’Donoghue , Gems, Sixth Edition (2006)

Prase and Sillimanite Chemical Formula

While comparing Prase and Sillimanite 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 Prase and Sillimanite chemical formula.

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Prase and Sillimanite Specific Gravity

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