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Chiastolite
Chiastolite

Blue John
Blue John



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Chiastolite
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Blue John

Chiastolite and Blue John Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
3.00-3.15
-
Indistinct
5-5.5
Al 2SiO 5Michael O’Donoghue , Gems, Sixth edition (2006)
 
-
-
-
3.00-3.25
-
Perfect
-9999
CaF 2Michael O’Donoghue , Gems, Sixth Edition (2006)

Chiastolite and Blue John Chemical Formula

While comparing Chiastolite 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 Chiastolite and Blue John chemical formula.

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Chiastolite and Blue John Specific Gravity

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