Cobaltite and Hackmanite Physical Properties

Cobaltite

Hackmanite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

6.32.27-2.33

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

UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009)

1.6 Cleavage

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

Not Available

1.7 Mohs Hardness

5.55.5-6

2 10

1.8 Chemical Composition

CoAsSAnthony et al , Handbook of mineralogy (2001)

Na 8Al 6Si 6O 24Cl 2Michael OâDonoghue , Gems, Sixth Edition (2006)

Cobaltite and Hackmanite Chemical Formula

While comparing Cobaltite and Hackmanite 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 Hackmanite chemical formula.

Chemical formula of Cobaltite- CoAsSAnthony et al , Handbook of mineralogy (2001)
Chemical formula of Hackmanite- Na 8Al 6Si 6O 24Cl 2Michael OâDonoghue , Gems, Sixth Edition (2006)

Compare Gems Found in America

Cobaltite Vs Diamond

Cobaltite Vs Datolite

Cobaltite Vs Diopside

Cobaltite and Hackmanite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cobaltite and Hackmanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cobaltite and Hackmanite Optical Properties during the identification of gemstone. Specific gravity of Cobaltite is 2.27-2.33 whereas that of Hackmanite is 2.27-2.33.