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Fayalite
Fayalite

Sardonyx
Sardonyx



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Fayalite
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Sardonyx

Fayalite and Sardonyx Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
4.392
Conchoidal
{010} moderate, {100} imperfect
6.5-7
Fe 2SiO 4Michael O’Donoghue , Gems, Sixth Edition (2006)
 
-
-
-
2.55-2.70
-
None
6.5-7
SiO 2Ulrich Henn and Claudio C.

Fayalite and Sardonyx Chemical Formula

While comparing Fayalite 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 Fayalite and Sardonyx chemical formula.

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Fayalite and Sardonyx Specific Gravity

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