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Sugilite
Sugilite

Fayalite
Fayalite



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Sugilite
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Fayalite

Sugilite and Fayalite Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
2.69-2.79
Conchoidal
Poor on {0001}
5.5-6.5
KNa 2(Fe3+ ,Mn3+ ,Al) 2Li 3Si 12O 30Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
 
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-
-
4.392
Conchoidal
{010} moderate, {100} imperfect
6.5-7
Fe 2SiO 4Michael O’Donoghue , Gems, Sixth Edition (2006)

Sugilite and Fayalite Chemical Formula

While comparing Sugilite 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 Sugilite and Fayalite chemical formula.

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Sugilite and Fayalite Specific Gravity

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