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Sylvite and Prehnite Physical Properties


Prehnite and Sylvite Physical Properties


Physical Properties

Tenacity
Brittle   
Brittle   

Solubility
Soluble   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
1.993   
2.80-2.95   

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

Cleavage
Perfect on [100], [010], [001]   
Distinct on [001]   

Mohs Hardness
2.5   
6-6.5   

Chemical Composition
Not Available   
Ca2Al2Si3O12(OH)   

Optical Properties >>
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Sylvite and Prehnite Chemical Formula

While comparing Sylvite 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 Sylvite and Prehnite chemical formula.

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Sylvite and Prehnite Specific Gravity

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

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