Wulfenite and Covellite Physical Properties

Wulfenite

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

6.50-7.004.6-4.76

1 7.18

1.5 Fracture

Irregular, Brittle, Conchoidal

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

1.6 Cleavage

On {011}, distinct; on {001}, {013}, indistinct

Perfect on {0001}

1.7 Mohs Hardness

3Not Available

2 10

1.8 Chemical Composition

PbMoO 4Walter Schumann , Gemstones of the world (2001)

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

Wulfenite and Covellite Chemical Formula

While comparing Wulfenite 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 Wulfenite and Covellite chemical formula.

Chemical formula of Wulfenite- PbMoO 4Walter Schumann , Gemstones of the world (2001)
Chemical formula of Covellite- CuSMichael OâDonoghue , Gems, Sixth edition (2006) More from other references

Compare Red Gemstones

Wulfenite Vs Garnet Malaia

Wulfenite Vs Hessonite Garnet

Wulfenite Vs Opal Australia

Wulfenite and Covellite Specific Gravity

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