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Peridot
Peridot

Sugilite
Sugilite



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Peridot
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Sugilite

Peridot and Sugilite Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
1.54-1.55
Conchoidal
Poor
6.5-7
(Mg,Fe)2SiO4
 
-
-
-
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

Peridot and Sugilite Chemical Formula

While comparing Peridot 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 Peridot and Sugilite chemical formula.

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Peridot and Sugilite Specific Gravity

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