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Sillimanite
Sillimanite

Eosphorite
Eosphorite



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Sillimanite
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Eosphorite

Sillimanite and Eosphorite 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)
 
-
-
-
3.05-3.08
Subconchoidal, Uneven, Conchoidal
Poor on {100}
5
Mn2+ Al(PO 4)(OH) 2H 2OMichael O’Donoghue , Gems, Sixth Edition (2006)

Sillimanite and Eosphorite Chemical Formula

While comparing Sillimanite and Eosphorite 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 Eosphorite chemical formula.

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Sillimanite and Eosphorite Specific Gravity

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