Cobaltite and Chromite Physical Properties

Cobaltite

Chromite

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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

6.34.5-4.8

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

Uneven

1.6 Cleavage

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

None, parting may develop along {111}

1.7 Mohs Hardness

5.55.5

2 10

1.8 Chemical Composition

CoAsSAnthony et al , Handbook of mineralogy (2001)

Fe++Cr2O4

Cobaltite and Chromite Chemical Formula

While comparing Cobaltite and Chromite 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 Chromite chemical formula.

Chemical formula of Cobaltite- CoAsSAnthony et al , Handbook of mineralogy (2001)
Chemical formula of Chromite- Fe++Cr2O4

Compare Gems Found in America

Cobaltite Vs Diopside

Cobaltite Vs Diamond

Cobaltite Vs Datolite

Cobaltite and Chromite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cobaltite and Chromite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cobaltite and Chromite Optical Properties during the identification of gemstone. Specific gravity of Cobaltite is 4.5-4.8 whereas that of Chromite is 4.5-4.8.