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Topaz
Topaz

Nosean
Nosean



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Topaz
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Nosean

Topaz and Nosean 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
 
-
-
-
2.30-2.40
Uneven, Conchoidal
{110} Perfect
-9999
Na 8Al 6Si 6O 24(SO 4) · H 2OAnthony et al , Handbook of Mineralogy (2001)

Topaz and Nosean Chemical Formula

While comparing Topaz and Nosean 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 Nosean chemical formula.

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Topaz and Nosean Specific Gravity

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