Covellite and Zinnwaldite Physical Properties

Covellite

Zinnwaldite

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1 Physical Properties

1.1 Tenacity

Flexible

Elastic

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

4.6-4.762.9-3.1

1 7.18

1.5 Fracture

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

Uneven

1.6 Cleavage

Perfect on {0001}

Perfect basal {001}

1.7 Mohs Hardness

Not Available3.5-4.0

2 10

1.8 Chemical Composition

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

Not Available

Covellite and Zinnwaldite Chemical Formula

While comparing Covellite and Zinnwaldite 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 Zinnwaldite chemical formula.

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

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Covellite Vs Elbaite

Covellite Vs Falcons Eye

Covellite and Zinnwaldite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Covellite and Zinnwaldite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Covellite and Zinnwaldite Optical Properties during the identification of gemstone. Specific gravity of Covellite is 2.9-3.1 whereas that of Zinnwaldite is 2.9-3.1.