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Blue John
Blue John

Plasma
Plasma



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Blue John
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Plasma

Blue John and Plasma Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
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-
-
3.00-3.25
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Perfect
-9999
CaF 2Michael O’Donoghue , Gems, Sixth Edition (2006)
 
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-
-
-9999
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None
-9999
Cu9(AsO4)2(OH)10

Blue John and Plasma Chemical Formula

While comparing Blue John and Plasma 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 Plasma chemical formula.

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Blue John and Plasma Specific Gravity

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