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Helenite
Helenite

Kyanite
Kyanite



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Helenite
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Kyanite

Helenite and Kyanite Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
-9999
-
Indiscernible
-9999
SiO2
 
Brittle
-
-
3.53-3.65
Splintery
[100] perfect [010] imperfect with 79° angle between
4-7
Al2SiO5

Helenite and Kyanite Chemical Formula

While comparing Helenite 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 Helenite and Kyanite chemical formula.

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Helenite and Kyanite Specific Gravity

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