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Steatite and Blue John Physical Properties


Blue John and Steatite Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.20-2.80   
3.00-3.25   

Fracture
Not Available   
Not Available   

Cleavage
Not Available   
Not Available   

Mohs Hardness
Not Available   
Not Available   

Chemical Composition
Mg 3Si 4O 10(OH) 2Gemdat.org , Management Team (2012)   
CaF 2Michael O’Donoghue , Gems, Sixth Edition (2006)   

Optical Properties >>
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Steatite and Blue John Chemical Formula

While comparing Steatite 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 Steatite and Blue John chemical formula.

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Steatite and Blue John Specific Gravity

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

Green Gemstones

Green Gemstones


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