Neptunite and Manganotantalite Physical Properties

Neptunite

Manganotantalite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.19-3.23Not Available

1 7.18

1.5 Fracture

Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle

ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

{110} good

Not Available

1.7 Mohs Hardness

5-65.5-6.5

2 10

1.8 Chemical Composition

KNa 2Li(Fe2+ ,Mn2+ ) 2Ti 2Si 8O 24Michael OâDonoghue , Gems, Sixth Edition (2006)

MnTa 2O 6Walter Schumann , Gemstones of the world (2001) More from other references

Neptunite and Manganotantalite Chemical Formula

While comparing Neptunite and Manganotantalite 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 Manganotantalite chemical formula.

Chemical formula of Neptunite- KNa 2Li(Fe2+ ,Mn2+ ) 2Ti 2Si 8O 24Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Manganotantalite- MnTa 2O 6Walter Schumann , Gemstones of the world (2001) More from other references

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Neptunite and Manganotantalite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Neptunite and Manganotantalite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Neptunite and Manganotantalite Optical Properties during the identification of gemstone. Specific gravity of Neptunite is Not Available whereas that of Manganotantalite is Not Available.