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Blue John
Blue John

Liddicoatite
Liddicoatite



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Blue John
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Liddicoatite

Blue John and Liddicoatite 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)
 
-
-
-
3.02
Uneven, Conchoidal
{0001} Poor
-9999
Ca(Li 2Al)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)

Blue John and Liddicoatite Chemical Formula

While comparing Blue John and Liddicoatite 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 Liddicoatite chemical formula.

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Blue John and Liddicoatite Specific Gravity

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