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Marialite
Marialite

Sillimanite
Sillimanite



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Marialite
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Sillimanite

Marialite and Sillimanite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
Brittle
-
-
2.50
Uneven, Conchoidal
Distinct on {100} and {110}
5.5-6
3NaAlSi 3O 8 · NaClAnthony et al , Handbook of mineralogy (2001)
 
Tough
-
-
3.20-3.26
Splintery
{010} perfect
6-7.5
Al 2SiO 5Michael O’Donoghue , Gems, Sixth Edition (2006)

Marialite and Sillimanite Chemical Formula

While comparing Marialite 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 Marialite and Sillimanite chemical formula.

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Marialite and Sillimanite Specific Gravity

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