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White topaz
White topaz

White Opal
White Opal



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White topaz
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White Opal

White topaz and White Opal Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
-9999
-
Indiscernible
-9999
Al2SiO4(F,OH)2
 
-
-
-
1.98-2.50
Conchoidal
None
5.5-6.5
SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)

White topaz and White Opal Chemical Formula

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

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White topaz and White Opal Specific Gravity

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