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Kyanite
Kyanite

Hessonite
Hessonite



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Kyanite
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Hessonite

Kyanite and Hessonite Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
Brittle
-
-
3.53-3.65
Splintery
[100] perfect [010] imperfect with 79° angle between
4-7
Al2SiO5
 
-
-
-
3.55-3.73
Uneven
None
7-7.5
Ca3Al2(SiO4)3

Kyanite and Hessonite Chemical Formula

While comparing Kyanite and Hessonite 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 Kyanite and Hessonite chemical formula.

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Kyanite and Hessonite Specific Gravity

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