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Sillimanite
Sillimanite

Jade
Jade



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Sillimanite
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Jade

Sillimanite and Jade Physical Properties

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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)
 
-
-
-
2.90-3.38
Splintery
1 or 2,2 prismatic.
6-7
Nephrite: Ca2(Mg,Fe)5Si8O22(OH)2 Jadeite: NaAlSi2O6

Sillimanite and Jade Chemical Formula

While comparing Sillimanite and Jade 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 Jade chemical formula.

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Sillimanite and Jade Specific Gravity

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