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Sillimanite
Sillimanite

Girasol
Girasol



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Sillimanite
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Girasol

Sillimanite and Girasol 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)
 
-
-
-
1.98-2.50
Conchoidal
None
5.5-6.5
SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)

Sillimanite and Girasol Chemical Formula

While comparing Sillimanite and Girasol 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 Girasol chemical formula.

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Sillimanite and Girasol Specific Gravity

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