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Blue John and Chrysotile Physical Properties


Chrysotile and Blue John Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
insoluble in water   

Durability
Not Available   
Not Available   

Specific Gravity
3.00-3.25   
2.51-2.63   

Fracture
Not Available   
Fibrous   

Cleavage
Not Available   
Not Available   

Mohs Hardness
Not Available   
2.5-4.5   

Chemical Composition
CaF 2Michael O’Donoghue , Gems, Sixth Edition (2006)   
Mg 3(Si 2O 5)(OH) 4Gemdat.org , Management Team (2012)   

Optical Properties >>
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Blue John and Chrysotile Chemical Formula

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

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Blue John and Chrysotile Specific Gravity

Another important criteria for qualitative analysis of gemstones is Blue John and Chrysotile Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Blue John and Chrysotile Optical Properties during the identification of gemstone. Specific gravity of Blue John is 2.51-2.63 whereas that of Chrysotile is 2.51-2.63.

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