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Sillimanite
Sillimanite

Stichtite
Stichtite



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Sillimanite
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Stichtite

Sillimanite and Stichtite 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)
 
-
-
-
2.11-2.20
Uneven
Perfect on {0001}
-9999
Mg 6Cr 2(CO 3)(OH) 16 · 4H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Sillimanite and Stichtite Chemical Formula

While comparing Sillimanite and Stichtite 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 Stichtite chemical formula.

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Sillimanite and Stichtite Specific Gravity

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