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Vishnevite and Prehnite Physical Properties


Prehnite and Vishnevite Physical Properties


Physical Properties

Tenacity
Not Available   
Brittle   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
Not Available   
2.80-2.95   

Fracture
Brittle, Uneven   
Uneven, Yellow, White, UnevenWalter Schumann, Gemstones of the world (2001) More from other references, Brittle, Metallic   

Cleavage
Perfect   
Distinct on [001]   

Mohs Hardness
5-6   
6-6.5   

Chemical Composition
Not Available   
Ca2Al2Si3O12(OH)   

Optical Properties >>
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Vishnevite and Prehnite Chemical Formula

While comparing Vishnevite and Prehnite 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 Vishnevite and Prehnite chemical formula.

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Vishnevite and Prehnite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Vishnevite and Prehnite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Vishnevite and Prehnite Optical Properties during the identification of gemstone. Specific gravity of Vishnevite is 2.80-2.95 whereas that of Prehnite is 2.80-2.95.

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