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Blue John
Blue John

Garnet
Garnet



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Blue John
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Garnet

Blue John and Garnet Physical Properties

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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)
 
-
-
-
3.55-4.33
Conchoidal, Uneven
Indistinct
6.5-7.5
Garnet is a series of several different minerals with unique chemical formulas.

Blue John and Garnet Chemical Formula

While comparing Blue John and Garnet 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 Garnet chemical formula.

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Blue John and Garnet Specific Gravity

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