Bronzite and Neptunite Physical Properties

Bronzite

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

3.35

3.19-3.23

1.5 Fracture

Not Available

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

1.6 Cleavage

Not Available

{110} good

1.7 Mohs Hardness

5.5

5-6

1.8 Chemical Composition

(Mg,Fe) 2Si 2O 6Ulrich Henn and Claudio C.

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

Bronzite and Neptunite Chemical Formula

While comparing Bronzite 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 Bronzite and Neptunite chemical formula.

Chemical formula of Bronzite- (Mg,Fe) 2Si 2O 6Ulrich 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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Bronzite and Neptunite Specific Gravity

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