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Axinite
Axinite

Blue John
Blue John



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Axinite
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Blue John

Axinite and Blue John Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
3.26-3.36
Conchoidal
Good on {100}
6.5-7
(Ca,Fe,Mn,Mg) 3Al 2BSi 4O 15(OH)Walter Schumann , Gemstones of the world (2001) More from other references
 
-
-
-
3.00-3.25
-
Perfect
-9999
CaF 2Michael O’Donoghue , Gems, Sixth Edition (2006)

Axinite and Blue John Chemical Formula

While comparing Axinite 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 Axinite and Blue John chemical formula.

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Axinite and Blue John Specific Gravity

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