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Sillimanite
Sillimanite

Rutile
Rutile



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Sillimanite
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Rutile

Sillimanite and Rutile 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)
 
-
Insoluble in acids
-
4.20-4.30
Uneven, Conchoidal
{110} good, 100 moderate, parting on {092} and {011}
6-6.5
TiO 2Michael O’Donoghue , Gems, Sixth Edition (2006)

Sillimanite and Rutile Chemical Formula

While comparing Sillimanite and Rutile 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 Rutile chemical formula.

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Sillimanite and Rutile Specific Gravity

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