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Jet
Jet

Vishnevite
Vishnevite



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Vishnevite

Jet and Vishnevite Physical Properties

Jet
Jet
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1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
1.19-1.35
Not Available
1.5 Fracture
ConchoidalWalter Schumann, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references
Brittle, Uneven
1.6 Cleavage
Not Available
Perfect
1.7 Mohs Hardness
2.5-4
5-6
1.8 Chemical Composition
Not Available
Not Available

Jet and Vishnevite Chemical Formula

While comparing Jet 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 Jet and Vishnevite chemical formula.

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Jet and Vishnevite Specific Gravity

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