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Fayalite
Fayalite

Sapphire
Sapphire



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Fayalite
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Sapphire

Fayalite and Sapphire 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)
 
-
insoluble
-
3.95-4.03
Uneven
None, but may exhibit parting
9
Al 2 O 3

Fayalite and Sapphire Chemical Formula

While comparing Fayalite and Sapphire 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 Sapphire chemical formula.

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Fayalite and Sapphire Specific Gravity

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