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Thomsonite
Thomsonite

Blue John
Blue John



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Thomsonite
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Blue John

Thomsonite and Blue John Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
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-
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2.25-2.40
-
perfect on {010}; good on {100}
5-5.5
NaCa 2Al 5Si 5O 20 · 6H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references
 
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-
-
3.00-3.25
-
Perfect
-9999
CaF 2Michael O’Donoghue , Gems, Sixth Edition (2006)

Thomsonite and Blue John Chemical Formula

While comparing Thomsonite 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 Thomsonite and Blue John chemical formula.

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Thomsonite and Blue John Specific Gravity

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