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Nacre
Nacre

White Opal
White Opal



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Nacre
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White Opal

Nacre and White Opal Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
-9999
-
None
-9999
CaCO3
 
-
-
-
1.98-2.50
Conchoidal
None
5.5-6.5
SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)

Nacre and White Opal Chemical Formula

While comparing Nacre and White Opal 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 Nacre and White Opal chemical formula.

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Nacre and White Opal Specific Gravity

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