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Sillimanite
Sillimanite

Fuchsite
Fuchsite



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Sillimanite
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Fuchsite

Sillimanite and Fuchsite 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)
 
-
-
-
2.77-2.88
Uneven
Perfect basal
2.5
K(Al,Cr) 3Si 3O 10(OH) 2Gemdat.org , Management Team (2012)

Sillimanite and Fuchsite Chemical Formula

While comparing Sillimanite and Fuchsite 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 Fuchsite chemical formula.

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Sillimanite and Fuchsite Specific Gravity

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