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Blue John
Blue John

Pyrope Almandine
Pyrope Almandine



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Blue John
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Pyrope Almandine

Blue John and Pyrope Almandine 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)
 
-
-
-
3.62-4.20
-
None
7-7.5
(Fe,Mg) 3Al 2(SiO 4) 3gemdat.org , Management Team (2012)

Blue John and Pyrope Almandine Chemical Formula

While comparing Blue John and Pyrope Almandine 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 Pyrope Almandine chemical formula.

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Blue John and Pyrope Almandine Specific Gravity

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