Nickeline and Covellite Physical Properties

Nickeline

Covellite

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1 Physical Properties

1.1 Tenacity

Brittle

Flexible

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

Not Available4.6-4.76

1 7.18

1.5 Fracture

Conchoidal, Uneven

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

1.6 Cleavage

{1010} Imperfect, {0001} Imperfect

Perfect on {0001}

1.7 Mohs Hardness

5-5.5Not Available

2 10

1.8 Chemical Composition

Not Available

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

Nickeline and Covellite Chemical Formula

While comparing Nickeline 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 Nickeline and Covellite chemical formula.

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

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Nickeline and Covellite Specific Gravity

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