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Blue John
Blue John

Linarite
Linarite



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Blue John
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Linarite

Blue John and Linarite 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)
 
-
-
-
5.35
Conchoidal
Perfect on {100}, imperfect on {001}
2.5
PbCu(SO 4)(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006)

Blue John and Linarite Chemical Formula

While comparing Blue John and Linarite 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 Linarite chemical formula.

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Blue John and Linarite Specific Gravity

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