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Pyrope Almandine
Pyrope Almandine

Blue John
Blue John



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Pyrope Almandine
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Blue John

Pyrope Almandine and Blue John Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
3.62-4.20
-
None
7-7.5
(Fe,Mg) 3Al 2(SiO 4) 3gemdat.org , Management Team (2012)
 
-
-
-
3.00-3.25
-
Perfect
-9999
CaF 2Michael O’Donoghue , Gems, Sixth Edition (2006)

Pyrope Almandine and Blue John Chemical Formula

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

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Pyrope Almandine and Blue John Specific Gravity

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