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Common Opal
Common Opal

Cymophane
Cymophane



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Common Opal
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Cymophane

Common Opal and Cymophane Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
1.98-2.50
Conchoidal
None
5.5-6.5
SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)
 
-
-
-
3.69-3.81
-
Perfect
8.5
BeAl 2O 4Arthur Thomas , Gemstones (2009)

Common Opal and Cymophane Chemical Formula

While comparing Common Opal and Cymophane 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 Common Opal and Cymophane chemical formula.

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Common Opal and Cymophane Specific Gravity

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