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Anorthite
Anorthite

Sylvite
Sylvite



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Anorthite
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Sylvite

Anorthite and Sylvite Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
Brittle
-
-
2.77
Uneven
Perfect [001] good [010] poor [110]
6-6.5
CaAl 2Si 2O 8Michael O’Donoghue , Gems, Sixth Edition (2006)
 
Brittle
Soluble
-
1.993
Uneven
Perfect on [100], [010], [001]
2.5
KCl

Anorthite and Sylvite Chemical Formula

While comparing Anorthite and Sylvite 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 Anorthite and Sylvite chemical formula.

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Anorthite and Sylvite Specific Gravity

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