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Neptunite
Neptunite

Weloganite
Weloganite



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Neptunite
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Weloganite

Neptunite and Weloganite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
Brittle
-
-
3.19-3.23
Conchoidal
{110} good
5-6
KNa 2Li(Fe2+ ,Mn2+ ) 2Ti 2Si 8O 24Michael O’Donoghue , Gems, Sixth Edition (2006)
 
-
-
-
3.20-3.22
Conchoidal
Perfect on pseudo {0001}
3
Na2SrZrSi6O17(OH)3·3H2O

Neptunite and Weloganite Chemical Formula

While comparing Neptunite and Weloganite 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 Neptunite and Weloganite chemical formula.

  • Chemical formula of Neptunite- KNa 2Li(Fe2+ ,Mn2+ ) 2Ti 2Si 8O 24Michael O’Donoghue , Gems, Sixth Edition (2006)
  • Chemical formula of Weloganite- Na2SrZrSi6O17(OH)3·3H2O

Neptunite and Weloganite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Neptunite and Weloganite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Neptunite and Weloganite Optical Properties during the identification of gemstone. Specific gravity of Neptunite is 3.20-3.22 whereas that of Weloganite is 3.20-3.22.