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Charoite
Charoite

Iolite
Iolite



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Charoite
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Iolite

Charoite and Iolite Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
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-
-
2.54-2.78
Conchoidal
Good in three directions
5-6
K(Ca,Na) 2Si 4O 10(OH,F) · H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references
 
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-
-
2.6-2.7
-
3,1
7-7.5
Mg2Al4Si5O18

Charoite and Iolite Chemical Formula

While comparing Charoite and Iolite 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 Charoite and Iolite chemical formula.

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Charoite and Iolite Specific Gravity

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