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Kyanite
Kyanite

Vishnevite
Vishnevite



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Kyanite
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Vishnevite

Kyanite and Vishnevite Physical Properties

1 Physical Properties
1.1 Tenacity
Brittle
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.53-3.65
Not Available
1.5 Fracture
Splintery, Brittle, Metallic
Brittle, Uneven
1.6 Cleavage
[100] perfect [010] imperfect with 79° angle between
Perfect
1.7 Mohs Hardness
4-7
5-6
1.8 Chemical Composition
Not Available
Not Available

Kyanite and Vishnevite Chemical Formula

While comparing Kyanite and Vishnevite 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 Vishnevite chemical formula.

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Kyanite and Vishnevite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Kyanite and Vishnevite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Kyanite and Vishnevite Optical Properties during the identification of gemstone. Specific gravity of Kyanite is Not Available whereas that of Vishnevite is Not Available.