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Sillimanite
Sillimanite

Chrysoprase
Chrysoprase



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Sillimanite
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Chrysoprase

Sillimanite and Chrysoprase 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)
 
-
-
-
2.58-2.64
-
None
6.5-7
SiO2 (with a high level of nickel impurities )

Sillimanite and Chrysoprase Chemical Formula

While comparing Sillimanite and Chrysoprase 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 Chrysoprase chemical formula.

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Sillimanite and Chrysoprase Specific Gravity

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