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Hauyne
Hauyne

Sillimanite
Sillimanite



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Hauyne
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Sillimanite

Hauyne and Sillimanite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
Brittle
Gelatinises in acids
-
2.4-2.5
Uneven, Conchoidal
Distinct on {110}
5-6
(Na,Ca)4-8Al6Si6(O,S)24(SO4,Cl)1-2
 
Tough
-
-
3.20-3.26
Splintery
{010} perfect
6-7.5
Al 2SiO 5Michael O’Donoghue , Gems, Sixth Edition (2006)

Hauyne and Sillimanite Chemical Formula

While comparing Hauyne 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 Hauyne and Sillimanite chemical formula.

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Hauyne and Sillimanite Specific Gravity

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