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Topaz
Topaz

Sardonyx
Sardonyx



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Topaz
X
Sardonyx

Topaz and Sardonyx 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
 
-
-
-
2.55-2.70
-
None
6.5-7
SiO 2Ulrich Henn and Claudio C.

Topaz and Sardonyx Chemical Formula

While comparing Topaz and Sardonyx 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 Sardonyx chemical formula.

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Topaz and Sardonyx Specific Gravity

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