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Sylvite
Sylvite

Sugilite
Sugilite



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Sylvite and Sugilite Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
Brittle
Soluble
-
1.993
Uneven
Perfect on [100], [010], [001]
2.5
KCl
 
-
-
-
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

Sylvite and Sugilite Chemical Formula

While comparing Sylvite and Sugilite 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 Sylvite and Sugilite chemical formula.

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Sylvite and Sugilite Specific Gravity

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