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Charoite
Charoite

Kyanite
Kyanite



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Charoite
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Kyanite

Charoite and Kyanite Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
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
 
Brittle
-
-
3.53-3.65
Splintery
[100] perfect [010] imperfect with 79° angle between
4-7
Al2SiO5

Charoite and Kyanite Chemical Formula

While comparing Charoite and Kyanite 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 Kyanite chemical formula.

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Charoite and Kyanite Specific Gravity

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