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Blue John and Diopside Physical Properties


Diopside and Blue John Physical Properties


Physical Properties

Tenacity
Not Available   
Brittle   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
3.00-3.25   
3.22-3.40   

Fracture
Not Available   
Conchoidal, UnevenWalter Schumann, Gemstones of the world (2001) More from other references, Brittle, Conchoidal   

Cleavage
Not Available   
Distinct/good on {110}   

Mohs Hardness
Not Available   
5-6   

Chemical Composition
CaF 2Michael O’Donoghue , Gems, Sixth Edition (2006)   
CaMgSi2O6   

Optical Properties >>
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Blue John and Diopside Chemical Formula

While comparing Blue John and Diopside 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 Diopside chemical formula.

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Blue John and Diopside Specific Gravity

Another important criteria for qualitative analysis of gemstones is Blue John and Diopside Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Blue John and Diopside Optical Properties during the identification of gemstone. Specific gravity of Blue John is 3.22-3.40 whereas that of Diopside is 3.22-3.40.

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