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Neptunite
Neptunite

Diopside
Diopside



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Neptunite
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Diopside

Neptunite and Diopside Physical Properties

1 Physical Properties
1.1 Tenacity
Brittle
Brittle
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.19-3.233.22-3.40
Amber
1 7.18
1.5 Fracture
Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle
Conchoidal, UnevenWalter Schumann, Gemstones of the world (2001) More from other references, Brittle, Conchoidal
1.6 Cleavage
{110} good
Distinct/good on {110}
1.7 Mohs Hardness
5-65-6
Amber
2 10
1.8 Chemical Composition
KNa 2Li(Fe2+ ,Mn2+ ) 2Ti 2Si 8O 24Michael O’Donoghue , Gems, Sixth Edition (2006)
CaMgSi2O6

Neptunite and Diopside Chemical Formula

While comparing Neptunite and Diopside 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 Diopside chemical formula.

  • Chemical formula of Neptunite- KNa 2Li(Fe2+ ,Mn2+ ) 2Ti 2Si 8O 24Michael O’Donoghue , Gems, Sixth Edition (2006)
  • Chemical formula of Diopside- CaMgSi2O6

Neptunite and Diopside Specific Gravity

Another important criteria for qualitative analysis of gemstones is Neptunite and Diopside Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Neptunite and Diopside Optical Properties during the identification of gemstone. Specific gravity of Neptunite is 3.22-3.40 whereas that of Diopside is 3.22-3.40.