Peridot and Covellite Physical Properties

Peridot

Covellite

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1 Physical Properties

1.1 Tenacity

Not Available

Flexible

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

1.54-1.554.6-4.76

1 7.18

1.5 Fracture

Conchoidal

Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Brittle, Metallic

1.6 Cleavage

Poor

Perfect on {0001}

1.7 Mohs Hardness

6.5-7Not Available

2 10

1.8 Chemical Composition

(Mg,Fe)₂SiO₄

CuSMichael OâDonoghue , Gems, Sixth edition (2006) More from other references

Peridot and Covellite Chemical Formula

While comparing Peridot and Covellite 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 Covellite chemical formula.

Chemical formula of Peridot- (Mg,Fe)₂SiO₄
Chemical formula of Covellite- CuSMichael OâDonoghue , Gems, Sixth edition (2006) More from other references

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Peridot and Covellite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Peridot and Covellite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Peridot and Covellite Optical Properties during the identification of gemstone. Specific gravity of Peridot is 4.6-4.76 whereas that of Covellite is 4.6-4.76.