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Hyalite and Blue John Physical Properties


Blue John and Hyalite Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
Not Available   
3.00-3.25   

Fracture
Conchoidal, Conchoidal, Gemstones of the world (2001)   
Not Available   

Cleavage
Not Available   
Not Available   

Mohs Hardness
5.5-6.5   
Not Available   

Chemical Composition
SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)   
CaF 2Michael O’Donoghue , Gems, Sixth Edition (2006)   

Optical Properties >>
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Hyalite and Blue John Chemical Formula

While comparing Hyalite and Blue John 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 Hyalite and Blue John chemical formula.

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Hyalite and Blue John Specific Gravity

Another important criteria for qualitative analysis of gemstones is Hyalite and Blue John Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hyalite and Blue John Optical Properties during the identification of gemstone. Specific gravity of Hyalite is 3.00-3.25 whereas that of Blue John is 3.00-3.25.

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Colorless Gems


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