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Blue John
Blue John

Bronzite
Bronzite



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Blue John
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Bronzite

Blue John and Bronzite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
3.00-3.25
-
Perfect
-9999
CaF 2Michael O’Donoghue , Gems, Sixth Edition (2006)
 
-
-
-
3.35
-
None
5.5
(Mg,Fe) 2Si 2O 6Ulrich Henn and Claudio C.

Blue John and Bronzite Chemical Formula

While comparing Blue John and Bronzite 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 Bronzite chemical formula.

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Blue John and Bronzite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Blue John and Bronzite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Blue John Vs Bronzite during the identification of gemstone. Specific gravity of Blue John is whereas that of Bronzite is .