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Fayalite
Fayalite

Chalcedony
Chalcedony



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Fayalite
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Chalcedony

Fayalite and Chalcedony 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)
 
-
Soluble
-
2.55-2.70
Uneven, Splintery, Conchoidal
Absent
6.5-7
SiO2

Fayalite and Chalcedony Chemical Formula

While comparing Fayalite and Chalcedony 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 Chalcedony chemical formula.

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Fayalite and Chalcedony Specific Gravity

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