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Sillimanite
Sillimanite

Blue quartz
Blue quartz



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Sillimanite
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Blue quartz

Sillimanite and Blue quartz Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
Tough
-
-
3.20-3.26
Splintery
{010} perfect
6-7.5
Al 2SiO 5Michael O’Donoghue , Gems, Sixth Edition (2006)
 
-
-
-
-9999
-
None
-9999
SiO2 with dumortierite

Sillimanite and Blue quartz Chemical Formula

While comparing Sillimanite and Blue quartz 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 Sillimanite and Blue quartz chemical formula.

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Sillimanite and Blue quartz Specific Gravity

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