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Common Opal
Common Opal
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Swiss blue topaz
Swiss blue topaz
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Common Opal
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Swiss blue topaz

Common Opal and Swiss blue topaz 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)
 
-
-
-
-9999
-
Indiscernible
-9999
Al2SiO4(F,OH)2

Common Opal and Swiss blue topaz Chemical Formula

While comparing Common Opal and Swiss blue topaz 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 Swiss blue topaz chemical formula.

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Common Opal and Swiss blue topaz Specific Gravity

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