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Fayalite
Fayalite

Pezzottaite
Pezzottaite



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Fayalite
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Pezzottaite

Fayalite and Pezzottaite Physical Properties

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)
 
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-
-
2.90-3.14
Conchoidal, Uneven
Imperfect; basal
7.5-8
(Be,Cs) 3Al 2Si 6O 18 · 0.5H 2OUlrich Henn and Claudio C.

Fayalite and Pezzottaite Chemical Formula

While comparing Fayalite and Pezzottaite 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 Pezzottaite chemical formula.

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Fayalite and Pezzottaite Specific Gravity

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