Gypsum and Covellite Physical Properties

Gypsum

Covellite

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1 Physical Properties

1.1 Tenacity

Flexible

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.20-2.404.6-4.76

1 7.18

1.5 Fracture

Conchoidal, Splintery, Fibrous, UnevenArthur Thomas, Gemstones (2009)

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

1.6 Cleavage

Perfect on {010}, distinct on {100}

Perfect on {0001}

1.7 Mohs Hardness

2Not Available

2 10

1.8 Chemical Composition

CaSO 4 -2(H 2O)Arthur Thomas , Gemstones (2009)

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

Gypsum and Covellite Chemical Formula

While comparing Gypsum 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 Gypsum and Covellite chemical formula.

Chemical formula of Gypsum- CaSO 4 -2(H 2O)Arthur Thomas , Gemstones (2009)
Chemical formula of Covellite- CuSMichael OâDonoghue , Gems, Sixth edition (2006) More from other references

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Gypsum and Covellite Specific Gravity

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