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Poudretteite
Poudretteite

Vishnevite
Vishnevite



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Poudretteite
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Vishnevite

Poudretteite 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
2.51-2.53
Not Available
1.5 Fracture
Conchoidal, Splintery
Brittle, Uneven
1.6 Cleavage
None
Perfect
1.7 Mohs Hardness
5
5-6
1.8 Chemical Composition
KNa 2B 3Si 12O 30Michael O’Donoghue , Gems, Sixth Edition (2006)
Not Available

Poudretteite and Vishnevite Chemical Formula

While comparing Poudretteite 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 Poudretteite and Vishnevite chemical formula.

  • Chemical formula of Poudretteite- KNa 2B 3Si 12O 30Michael O’Donoghue , Gems, Sixth Edition (2006)
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Poudretteite and Vishnevite Specific Gravity

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