Riebeckite and Cobaltite Physical Properties

Riebeckite

Cobaltite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.28-3.446.3

1 7.18

1.5 Fracture

Uneven, Splintery, Brittle

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

1.6 Cleavage

Perfect on {110}, intersecting at 56° and 124°; partings on {100} and {010}

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

1.7 Mohs Hardness

5.0-6.05.5

2 10

1.8 Chemical Composition

Not Available

CoAsSAnthony et al , Handbook of mineralogy (2001)

Riebeckite and Cobaltite Chemical Formula

While comparing Riebeckite and Cobaltite 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 Riebeckite and Cobaltite chemical formula.

Chemical formula of Cobaltite- CoAsSAnthony et al , Handbook of mineralogy (2001)

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Riebeckite and Cobaltite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Riebeckite and Cobaltite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Riebeckite and Cobaltite Optical Properties during the identification of gemstone. Specific gravity of Riebeckite is 6.3 whereas that of Cobaltite is 6.3.