Copper and Neptunite Physical Properties

Copper

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

Not Available3.19-3.23

1 7.18

1.5 Fracture

Hackly Jagged, torn surfaces, (e.g. fractured metals)., torn surfaces, (e.g. fractured metals).

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

1.6 Cleavage

None

{110} good

1.7 Mohs Hardness

2.55-6

2 10

1.8 Chemical Composition

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

Copper and Neptunite Chemical Formula

While comparing Copper 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 Copper and Neptunite chemical formula.

Chemical formula of Copper- Cu
Chemical formula of Neptunite- KNa 2Li(Fe2+ ,Mn2+ ) 2Ti 2Si 8O 24Michael OâDonoghue , Gems, Sixth Edition (2006)

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Copper and Neptunite Specific Gravity

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