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Topaz
Topaz

Sylvite
Sylvite



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Topaz
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Sylvite

Topaz and Sylvite Physical Properties

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Physical Properties

Tenacity

-
Brittle

Solubility

-
Soluble

Durability

-
-

Specific Gravity

3.49-3.571.993
1 7.18
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Fracture

Subconchoidal, Uneven, Conchoidal
Uneven

Cleavage

[001] Perfect
Perfect on [100], [010], [001]

Mohs Hardness

82.5
2 10
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Chemical Composition

Al2SiO4(F,OH)2
KCl

Topaz and Sylvite Chemical Formula

While comparing Topaz 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 Topaz and Sylvite chemical formula.

  • Chemical formula of Topaz- Al2SiO4(F,OH)2
  • Chemical formula of Sylvite- KCl

Topaz and Sylvite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Topaz and Sylvite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Topaz and Sylvite Optical Properties during the identification of gemstone. Specific gravity of Topaz is 1.993 whereas that of Sylvite is 1.993.