Peridot and Cobaltite Physical Properties

Peridot

Cobaltite

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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

1.54-1.556.3

1 7.18

1.5 Fracture

Conchoidal

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

Poor

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

1.7 Mohs Hardness

6.5-75.5

2 10

1.8 Chemical Composition

(Mg,Fe)₂SiO₄

CoAsSAnthony et al , Handbook of mineralogy (2001)

Peridot and Cobaltite Chemical Formula

While comparing Peridot 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 Peridot and Cobaltite chemical formula.

Chemical formula of Peridot- (Mg,Fe)₂SiO₄
Chemical formula of Cobaltite- CoAsSAnthony et al , Handbook of mineralogy (2001)

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Peridot and Cobaltite Specific Gravity

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