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Sillimanite
Sillimanite

Adularia
Adularia



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Sillimanite
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Adularia

Sillimanite and Adularia 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)
 
-
-
-
2.54-2.61
-
Perfect
6
KAlSi 3O 8Michael O’Donoghue , Gems, Sixth Edition (2006)

Sillimanite and Adularia Chemical Formula

While comparing Sillimanite and Adularia 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 Adularia chemical formula.

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Sillimanite and Adularia Specific Gravity

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