Magnetite and Neptunite Physical Properties

Magnetite

Neptunite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

5.23.19-3.23

1 7.18

1.5 Fracture

Uneven, Uneven, Management Team (2012), Conchoidal, Brittle

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

1.6 Cleavage

None

{110} good

1.7 Mohs Hardness

5.5-6.55-6

2 10

1.8 Chemical Composition

Fe 3O 4Ulrich Henn and Claudio C.

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

Magnetite and Neptunite Chemical Formula

While comparing Magnetite and Neptunite 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 Magnetite and Neptunite chemical formula.

Chemical formula of Magnetite- Fe 3O 4Ulrich Henn and Claudio C.
Chemical formula of Neptunite- KNa 2Li(Fe2+ ,Mn2+ ) 2Ti 2Si 8O 24Michael OâDonoghue , Gems, Sixth Edition (2006)

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Magnetite and Neptunite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Magnetite and Neptunite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Magnetite and Neptunite Optical Properties during the identification of gemstone. Specific gravity of Magnetite is 3.19-3.23 whereas that of Neptunite is 3.19-3.23.