Wernerite and Covellite Physical Properties

Wernerite

Covellite

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1 Physical Properties

1.1 Tenacity

Not Available

Flexible

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.50-2.804.6-4.76

1 7.18

1.5 Fracture

Not Available

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

1.6 Cleavage

Not Available

Perfect on {0001}

1.7 Mohs Hardness

5-6.5Not Available

2 10

1.8 Chemical Composition

Na 4(Al,Si) 12O 24Cl to Ca 4(Si,Al) 12O 24(CO 3,SO 4)Arthur Thomas , Gemstones (2009)

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

Wernerite and Covellite Chemical Formula

While comparing Wernerite 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 Wernerite and Covellite chemical formula.

Chemical formula of Wernerite- Na 4(Al,Si) 12O 24Cl to Ca 4(Si,Al) 12O 24(CO 3,SO 4)Arthur Thomas , Gemstones (2009)
Chemical formula of Covellite- CuSMichael OâDonoghue , Gems, Sixth edition (2006) More from other references

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Wernerite and Covellite Specific Gravity

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