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Blue John
Blue John

Boleite
Boleite



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Blue John
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Boleite

Blue John and Boleite Physical Properties

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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)
 
-
-
-
5.05
Uneven
[001] perfect
3-3.5
Pb 26Ag 10Cu 24Cl 62(OH) 48 · 3H 2OWalter Schumann , Gemstones of the world (2001) More from other references

Blue John and Boleite Chemical Formula

While comparing Blue John and Boleite 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 Boleite chemical formula.

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Blue John and Boleite Specific Gravity

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