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Blue John and Richterite Physical Properties


Richterite and Blue John Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
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Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
3.00-3.25   
3.0-3.5   

Fracture
Not Available   
Uneven, Brittle   

Cleavage
Not Available   
Perfect   

Mohs Hardness
Not Available   
5-6   

Chemical Composition
CaF 2Michael O’Donoghue , Gems, Sixth Edition (2006)   
Not Available   

Optical Properties >>
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Blue John and Richterite Chemical Formula

While comparing Blue John and Richterite 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 Richterite chemical formula.

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Blue John and Richterite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Blue John and Richterite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Blue John and Richterite Optical Properties during the identification of gemstone. Specific gravity of Blue John is 3.0-3.5 whereas that of Richterite is 3.0-3.5.

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Blue Gemstones


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