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Topaz
Topaz

Verdelite
Verdelite



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Topaz
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Verdelite

Topaz and Verdelite 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
 
-
-
-
2.90-3.40
Conchoidal
Indiscernible
7-7.5
Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) Formula given for elbaite.

Topaz and Verdelite Chemical Formula

While comparing Topaz and Verdelite 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 Verdelite chemical formula.

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Topaz and Verdelite Specific Gravity

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