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Fayalite
Fayalite

Pleonast
Pleonast



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Fayalite
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Pleonast

Fayalite and Pleonast 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)
 
-
-
-
-9999
-
Perfect
-9999
MgAl2O4

Fayalite and Pleonast Chemical Formula

While comparing Fayalite and Pleonast 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 Pleonast chemical formula.

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Fayalite and Pleonast Specific Gravity

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