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White topaz
White topaz
☒

Neptunite
Neptunite
☒



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White topaz
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Neptunite

White topaz and Neptunite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
-9999
-
Indiscernible
-9999
Al2SiO4(F,OH)2
 
Brittle
-
-
3.19-3.23
Conchoidal
{110} good
5-6
KNa 2Li(Fe2+ ,Mn2+ ) 2Ti 2Si 8O 24Michael O’Donoghue , Gems, Sixth Edition (2006)

White topaz and Neptunite Chemical Formula

While comparing White topaz and Neptunite 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 Neptunite chemical formula.

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White topaz and Neptunite Specific Gravity

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