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Neptunite
Neptunite

Pyroxmangite
Pyroxmangite



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Neptunite
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Pyroxmangite

Neptunite and Pyroxmangite Physical Properties

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
3.19-3.23
3.76-3.77
1.5 Fracture
Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle
UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009)
1.6 Cleavage
{110} good
{110} Perfect, {110} Perfect
1.7 Mohs Hardness
5-6
5-6
1.8 Chemical Composition
KNa 2Li(Fe2+ ,Mn2+ ) 2Ti 2Si 8O 24Michael O’Donoghue , Gems, Sixth Edition (2006)
(Fe,Mn) 7Si 7O 21Ulrich Henn and Claudio C.

Neptunite and Pyroxmangite Chemical Formula

While comparing Neptunite and Pyroxmangite 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 Pyroxmangite chemical formula.

  • Chemical formula of Neptunite- KNa 2Li(Fe2+ ,Mn2+ ) 2Ti 2Si 8O 24Michael O’Donoghue , Gems, Sixth Edition (2006)
  • Chemical formula of Pyroxmangite- (Fe,Mn) 7Si 7O 21Ulrich Henn and Claudio C.

Neptunite and Pyroxmangite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Neptunite and Pyroxmangite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Neptunite and Pyroxmangite Optical Properties during the identification of gemstone. Specific gravity of Neptunite is 3.76-3.77 whereas that of Pyroxmangite is 3.76-3.77.

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