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Hiddenite
Hiddenite

Sillimanite
Sillimanite



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Hiddenite
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Sillimanite

Hiddenite and Sillimanite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
3.15-3.21
-
1,2 prismatic
6-7
LiAlSi2O6
 
Tough
-
-
3.20-3.26
Splintery
{010} perfect
6-7.5
Al 2SiO 5Michael O’Donoghue , Gems, Sixth Edition (2006)

Hiddenite and Sillimanite Chemical Formula

While comparing Hiddenite 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 Hiddenite and Sillimanite chemical formula.

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Hiddenite and Sillimanite Specific Gravity

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