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Williamsite
Williamsite

Fayalite
Fayalite



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Williamsite
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Fayalite

Williamsite and Fayalite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
2.51-2.63
Conchoidal
Perfect
4
(Mg,Fe2+ ) 3Si 2O 5(OH) 4Anthony et al , Handbook of mineralogy (2001)
 
-
-
-
4.392
Conchoidal
{010} moderate, {100} imperfect
6.5-7
Fe 2SiO 4Michael O’Donoghue , Gems, Sixth Edition (2006)

Williamsite and Fayalite Chemical Formula

While comparing Williamsite 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 Williamsite and Fayalite chemical formula.

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Williamsite and Fayalite Specific Gravity

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