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Clinozoisite
Clinozoisite

Sillimanite
Sillimanite



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Clinozoisite
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Sillimanite

Clinozoisite and Sillimanite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
Brittle
-
-
3.21-3.38
Irregular/uneven, Uneven
Perfect on {001}
6-7
Ca 2Al 3(SiO 4) 3(OH)Walter Schumann , Gemstones of the world (2001) More from other references
 
Tough
-
-
3.20-3.26
Splintery
{010} perfect
6-7.5
Al 2SiO 5Michael O’Donoghue , Gems, Sixth Edition (2006)

Clinozoisite and Sillimanite Chemical Formula

While comparing Clinozoisite 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 Clinozoisite and Sillimanite chemical formula.

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Clinozoisite and Sillimanite Specific Gravity

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