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Topaz
Topaz

Charoite
Charoite



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Topaz
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Charoite

Topaz and Charoite 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
 
-
-
-
2.54-2.78
Conchoidal
Good in three directions
5-6
K(Ca,Na) 2Si 4O 10(OH,F) · H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Topaz and Charoite Chemical Formula

While comparing Topaz and Charoite 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 Charoite chemical formula.

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Topaz and Charoite Specific Gravity

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