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Angelite and Sillimanite Physical Properties


Sillimanite and Angelite Physical Properties


Physical Properties

Tenacity
Not Available   
Tough   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
Not Available   
3.20-3.26   

Fracture
Not Available   
Splintery   

Cleavage
Not Available   
{010} perfect   

Mohs Hardness
3.5   
6-7.5   

Chemical Composition
Not Available   
Al 2SiO 5Michael O’Donoghue , Gems, Sixth Edition (2006)   

Optical Properties >>
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Angelite and Sillimanite Chemical Formula

While comparing Angelite 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 Angelite and Sillimanite chemical formula.

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Angelite and Sillimanite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Angelite and Sillimanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Angelite and Sillimanite Optical Properties during the identification of gemstone. Specific gravity of Angelite is 3.20-3.26 whereas that of Sillimanite is 3.20-3.26.

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