Cobaltite and Neptunite Physical Properties

Cobaltite

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

6.33.19-3.23

1 7.18

1.5 Fracture

UnevenAnthony et al, Handbook of mineralogy (2001) More from other references, UnevenAnthony et al, Handbook of mineralogy (2001) More from other references, Brittle, Metallic

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

1.6 Cleavage

{100} Good, {010} Good, {001} Good

{110} good

1.7 Mohs Hardness

5.55-6

2 10

1.8 Chemical Composition

CoAsSAnthony et al , Handbook of mineralogy (2001)

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

Cobaltite and Neptunite Chemical Formula

While comparing Cobaltite 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 Cobaltite and Neptunite chemical formula.

Chemical formula of Cobaltite- CoAsSAnthony et al , Handbook of mineralogy (2001)
Chemical formula of Neptunite- KNa 2Li(Fe2+ ,Mn2+ ) 2Ti 2Si 8O 24Michael OâDonoghue , Gems, Sixth Edition (2006)

Compare Gems Found in America

Cobaltite Vs Diamond

Cobaltite Vs Diopside

Cobaltite Vs Datolite

Cobaltite and Neptunite Specific Gravity

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