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Aegirine
Aegirine

Sillimanite
Sillimanite



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Aegirine
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Sillimanite

Aegirine and Sillimanite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
Brittle
-
-
3.50-3.60
Uneven
Good on {110}, (110) ^ (1 1 0) ≈87°; parting on {100}
6
(Na,Fe,Ca)Si 2O 6Ulrich Henn and Claudio C.
 
Tough
-
-
3.20-3.26
Splintery
{010} perfect
6-7.5
Al 2SiO 5Michael O’Donoghue , Gems, Sixth Edition (2006)

Aegirine and Sillimanite Chemical Formula

While comparing Aegirine 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 Aegirine and Sillimanite chemical formula.

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Aegirine and Sillimanite Specific Gravity

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