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Neptunite
Neptunite

Pyrite
Pyrite



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Neptunite
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Pyrite

Neptunite and Pyrite Physical Properties

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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)
 
Brittle
insoluble in water
-
5.00-5.20
Uneven, Conchoidal, ConchoidalWalter Schumann
Indistinct on {001}; partings on {011} and {111}
6-6.5
FeS 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Neptunite and Pyrite Chemical Formula

While comparing Neptunite and Pyrite 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 Pyrite chemical formula.

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Neptunite and Pyrite Specific Gravity

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