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Jade
Jade

Sillimanite
Sillimanite



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Jade
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Sillimanite

Jade and Sillimanite Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
2.90-3.38
Splintery
1 or 2,2 prismatic.
6-7
Nephrite: Ca2(Mg,Fe)5Si8O22(OH)2 Jadeite: NaAlSi2O6
 
Tough
-
-
3.20-3.26
Splintery
{010} perfect
6-7.5
Al 2SiO 5Michael O’Donoghue , Gems, Sixth Edition (2006)

Jade and Sillimanite Chemical Formula

While comparing Jade 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 Jade and Sillimanite chemical formula.

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Jade and Sillimanite Specific Gravity

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