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Linarite and Blue John Physical Properties


Blue John and Linarite Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
5.35   
3.00-3.25   

Fracture
Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle   
Not Available   

Cleavage
Perfect on {100}, imperfect on {001}   
Not Available   

Mohs Hardness
2.5   
Not Available   

Chemical Composition
PbCu(SO 4)(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006)   
CaF 2Michael O’Donoghue , Gems, Sixth Edition (2006)   

Optical Properties >>
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Linarite and Blue John Chemical Formula

While comparing Linarite 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 Linarite and Blue John chemical formula.

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Linarite and Blue John Specific Gravity

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

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Blue Gemstones


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