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Fayalite
Fayalite

Andesine
Andesine



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Fayalite
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Andesine

Fayalite and Andesine 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)
 
Brittle
-
-
2.65-2.69
Uneven, Conchoidal
Perfect on {001}, good on {010}
6-6.5
(Na,Ca)Al1-2Si3-2O8

Fayalite and Andesine Chemical Formula

While comparing Fayalite and Andesine 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 Andesine chemical formula.

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Fayalite and Andesine Specific Gravity

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