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Wax Opal
Wax Opal

Blue John
Blue John



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Wax Opal
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Blue John

Wax Opal and Blue John Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
1.98-2.50
ConchoidalWalter Schumann
None
5.5-6.5
SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)
 
-
-
-
3.00-3.25
-
Perfect
-9999
CaF 2Michael O’Donoghue , Gems, Sixth Edition (2006)

Wax Opal and Blue John Chemical Formula

While comparing Wax Opal 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 Wax Opal and Blue John chemical formula.

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Wax Opal and Blue John Specific Gravity

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