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Kyanite
Kyanite

Sunstone
Sunstone



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Kyanite
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Sunstone

Kyanite and Sunstone 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
 
-
-
-
2.62-2.65
-
001
6
Microcline: KAlSi3O8 Oligoclase: (Na,Ca)Al1-2Si3-2O8

Kyanite and Sunstone Chemical Formula

While comparing Kyanite and Sunstone 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 Sunstone chemical formula.

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Kyanite and Sunstone Specific Gravity

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