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Pyroxmangite and Sillimanite Physical Properties


Sillimanite and Pyroxmangite Physical Properties


Physical Properties

Tenacity
Not Available   
Tough   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
3.76-3.77   
3.20-3.26   

Fracture
UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009)   
Splintery   

Cleavage
{110} Perfect, {110} Perfect   
{010} perfect   

Mohs Hardness
5-6   
6-7.5   

Chemical Composition
(Fe,Mn) 7Si 7O 21Ulrich Henn and Claudio C.   
Al 2SiO 5Michael O’Donoghue , Gems, Sixth Edition (2006)   

Optical Properties >>
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Pyroxmangite and Sillimanite Chemical Formula

While comparing Pyroxmangite 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 Pyroxmangite and Sillimanite chemical formula.

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Pyroxmangite and Sillimanite Specific Gravity

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

Red Gemstones

Red Gemstones


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