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Prehnite and Sylvite Physical Properties


Sylvite and Prehnite Physical Properties


Physical Properties

Tenacity
Brittle   
Brittle   

Solubility
Not Available   
Soluble   

Durability
Not Available   
Not Available   

Specific Gravity
2.80-2.95   
1.993   

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

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

Mohs Hardness
6-6.5   
2.5   

Chemical Composition
Ca2Al2Si3O12(OH)   
Not Available   

Optical Properties >>
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Prehnite and Sylvite Chemical Formula

While comparing Prehnite and Sylvite 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 Prehnite and Sylvite chemical formula.

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Prehnite and Sylvite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Prehnite and Sylvite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Prehnite and Sylvite Optical Properties during the identification of gemstone. Specific gravity of Prehnite is 1.993 whereas that of Sylvite is 1.993.

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