Covellite and Jet lignite Physical Properties

Covellite

Jet lignite

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1 Physical Properties

1.1 Tenacity

Flexible

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

4.6-4.761.30-1.34

1 7.18

1.5 Fracture

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

Not Available

1.6 Cleavage

Perfect on {0001}

Not Available

1.7 Mohs Hardness

Not Available2.5

2 10

1.8 Chemical Composition

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

Not Available

Covellite and Jet lignite Chemical Formula

While comparing Covellite and Jet lignite 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 Covellite and Jet lignite chemical formula.

Chemical formula of Covellite- CuSMichael OâDonoghue , Gems, Sixth edition (2006) More from other references

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Covellite and Jet lignite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Covellite and Jet lignite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Covellite and Jet lignite Optical Properties during the identification of gemstone. Specific gravity of Covellite is 1.30-1.34 whereas that of Jet lignite is 1.30-1.34.