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Gahnite
Gahnite

Sardonyx
Sardonyx



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Gahnite
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Sardonyx

Gahnite and Sardonyx Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
4.00-4.62
Conchoidal, Uneven
Indistinct parting on [111]
7.5-8
ZnAl 2O 4Michael O’Donoghue , Gems, Sixth Edition (2006)
 
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-
-
2.55-2.70
-
None
6.5-7
SiO 2Ulrich Henn and Claudio C.

Gahnite and Sardonyx Chemical Formula

While comparing Gahnite 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 Gahnite and Sardonyx chemical formula.

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Gahnite and Sardonyx Specific Gravity

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