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White Opal
White Opal

Bertrandite
Bertrandite



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White Opal
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Bertrandite

White Opal and Bertrandite 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)
 
-
-
-
2.59-2.60
-
{001} Perfect, {110} Distinct, {101} Distinct
6-7
Be 4Si 2O 7(OH) 2Anthony et al , Handbook of mineralogy (2001)

White Opal and Bertrandite Chemical Formula

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

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White Opal and Bertrandite Specific Gravity

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