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Beudantite
Beudantite

Sillimanite
Sillimanite



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Beudantite
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Sillimanite

Beudantite and Sillimanite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
4.48
-
distinct; good on {0001}
3.5-4.5
PbFe+++3(AsO4)(SO4)(OH)6
 
Tough
-
-
3.20-3.26
Splintery
{010} perfect
6-7.5
Al 2SiO 5Michael O’Donoghue , Gems, Sixth Edition (2006)

Beudantite and Sillimanite Chemical Formula

While comparing Beudantite 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 Beudantite and Sillimanite chemical formula.

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Beudantite and Sillimanite Specific Gravity

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