Covellite and Villiaumite Physical Properties

Covellite

Villiaumite

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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

4.6-4.762.79

1 7.18

1.5 Fracture

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

Brittle, Metallic

1.6 Cleavage

Perfect on {0001}

{100} Perfect, {010} Perfect, {001} Perfect

1.7 Mohs Hardness

Not Available2

2 10

1.8 Chemical Composition

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

NaFUlrich Henn and Claudio C.

Covellite and Villiaumite Chemical Formula

While comparing Covellite and Villiaumite 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 Villiaumite chemical formula.

Chemical formula of Covellite- CuSMichael OâDonoghue , Gems, Sixth edition (2006) More from other references
Chemical formula of Villiaumite- NaFUlrich Henn and Claudio C.

Compare Blue Gemstones

Covellite Vs Fluorapatite

Covellite Vs Elbaite

Covellite Vs Falcons Eye

Covellite and Villiaumite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Covellite and Villiaumite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Covellite and Villiaumite Optical Properties during the identification of gemstone. Specific gravity of Covellite is 2.79 whereas that of Villiaumite is 2.79.