Covellite and Nickeline Physical Properties

Covellite

Nickeline

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1 Physical Properties

1.1 Tenacity

Flexible

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

4.6-4.76Not Available

1 7.18

1.5 Fracture

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

Conchoidal, Uneven

1.6 Cleavage

Perfect on {0001}

{1010} Imperfect, {0001} Imperfect

1.7 Mohs Hardness

Not Available5-5.5

2 10

1.8 Chemical Composition

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

Not Available

Covellite and Nickeline Chemical Formula

While comparing Covellite and Nickeline 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 Nickeline chemical formula.

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

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Covellite and Nickeline Specific Gravity

Another important criteria for qualitative analysis of gemstones is Covellite and Nickeline Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Covellite and Nickeline Optical Properties during the identification of gemstone. Specific gravity of Covellite is Not Available whereas that of Nickeline is Not Available.