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Pyrope
Pyrope

Fayalite
Fayalite



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Pyrope
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Fayalite

Pyrope and Fayalite Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
insoluble in water
-
3.62-3.87
Conchoidal
None
7-7.5
Mg 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
 
-
-
-
4.392
Conchoidal
{010} moderate, {100} imperfect
6.5-7
Fe 2SiO 4Michael O’Donoghue , Gems, Sixth Edition (2006)

Pyrope and Fayalite Chemical Formula

While comparing Pyrope and Fayalite 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 Pyrope and Fayalite chemical formula.

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Pyrope and Fayalite Specific Gravity

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