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Sylvite and Crystal Opal Physical Properties


Crystal Opal and Sylvite Physical Properties


Physical Properties

Tenacity
Brittle   
Not Available   

Solubility
Soluble   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
1.993   
1.97-2.22   

Fracture
Uneven, Brittle   
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)   

Cleavage
Perfect on [100], [010], [001]   
Not Available   

Mohs Hardness
2.5   
5.5-6.5   

Chemical Composition
Not Available   
SiO 2 + H 2OUlrich Henn and Claudio C.   

Optical Properties >>
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Sylvite and Crystal Opal Chemical Formula

While comparing Sylvite and Crystal Opal 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 Crystal Opal chemical formula.

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Sylvite and Crystal Opal Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sylvite and Crystal Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sylvite and Crystal Opal Optical Properties during the identification of gemstone. Specific gravity of Sylvite is 1.97-2.22 whereas that of Crystal Opal is 1.97-2.22.

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