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Anorthoclase
Anorthoclase
☒

Sillimanite
Sillimanite
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Anorthoclase
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Sillimanite

Anorthoclase and Sillimanite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
2.56-2.62
Uneven
From the Greek for oblique and fracture, descriptive of the cleavage
6-6.5
(Na,K)AlSi 3O 8Michael O’Donoghue , Gems, Sixth Edition (2006)
 
Tough
-
-
3.20-3.26
Splintery
{010} perfect
6-7.5
Al 2SiO 5Michael O’Donoghue , Gems, Sixth Edition (2006)

Anorthoclase and Sillimanite Chemical Formula

While comparing Anorthoclase 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 Anorthoclase and Sillimanite chemical formula.

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Anorthoclase and Sillimanite Specific Gravity

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