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Common Opal
Common Opal

Tahitian pearl
Tahitian pearl



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Common Opal
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Tahitian pearl

Common Opal and Tahitian pearl 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
-
None
-9999
CaCO3

Common Opal and Tahitian pearl Chemical Formula

While comparing Common Opal and Tahitian pearl 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 Tahitian pearl chemical formula.

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Common Opal and Tahitian pearl Specific Gravity

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