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Sillimanite
Sillimanite

Eilat stone
Eilat stone



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Sillimanite
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Eilat stone

Sillimanite and Eilat stone 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)
 
-
-
-
-9999
-
-
-9999
Cu3(PO4)(OH)3

Sillimanite and Eilat stone Chemical Formula

While comparing Sillimanite and Eilat stone 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 Eilat stone chemical formula.

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Sillimanite and Eilat stone Specific Gravity

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