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Neptunite
Neptunite

Verdite
Verdite



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Neptunite
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Verdite

Neptunite and Verdite Physical Properties

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1 Physical Properties
1.1 Tenacity
Brittle
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.19-3.232.80-3.0
Amber
1 7.18
1.5 Fracture
Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle
Not Available
1.6 Cleavage
{110} good
{110} Good
1.7 Mohs Hardness
5-63
Amber
2 10
1.8 Chemical Composition
KNa 2Li(Fe2+ ,Mn2+ ) 2Ti 2Si 8O 24Michael O’Donoghue , Gems, Sixth Edition (2006)
NaFeS2•2(H2O)

Neptunite and Verdite Chemical Formula

While comparing Neptunite and Verdite 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 Verdite chemical formula.

  • Chemical formula of Neptunite- KNa 2Li(Fe2+ ,Mn2+ ) 2Ti 2Si 8O 24Michael O’Donoghue , Gems, Sixth Edition (2006)
  • Chemical formula of Verdite- NaFeS2•2(H2O)

Neptunite and Verdite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Neptunite and Verdite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Neptunite and Verdite Optical Properties during the identification of gemstone. Specific gravity of Neptunite is 2.80-3.0 whereas that of Verdite is 2.80-3.0.