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Topaz
Topaz

Anorthite
Anorthite



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Topaz
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Anorthite

Topaz and Anorthite Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
3.49-3.57
Subconchoidal, Uneven, Conchoidal
[001] Perfect
8
Al2SiO4(F,OH)2
 
Brittle
-
-
2.77
Uneven
Perfect [001] good [010] poor [110]
6-6.5
CaAl 2Si 2O 8Michael O’Donoghue , Gems, Sixth Edition (2006)

Topaz and Anorthite Chemical Formula

While comparing Topaz and Anorthite 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 Topaz and Anorthite chemical formula.

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Topaz and Anorthite Specific Gravity

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