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Eilat stone
Eilat stone

Sillimanite
Sillimanite



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Eilat stone
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Sillimanite

Eilat stone and Sillimanite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
-9999
-
-
-9999
Cu3(PO4)(OH)3
 
Tough
-
-
3.20-3.26
Splintery
{010} perfect
6-7.5
Al 2SiO 5Michael O’Donoghue , Gems, Sixth Edition (2006)

Eilat stone and Sillimanite Chemical Formula

While comparing Eilat stone 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 Eilat stone and Sillimanite chemical formula.

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Eilat stone and Sillimanite Specific Gravity

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