Transvaal Jade and Covellite Physical Properties

Transvaal Jade

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

3.55-3.734.6-4.76

1 7.18

1.5 Fracture

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)

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

1.6 Cleavage

Not Available

Perfect on {0001}

1.7 Mohs Hardness

7-7.5Not Available

2 10

1.8 Chemical Composition

Ca 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

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

Transvaal Jade and Covellite Chemical Formula

While comparing Transvaal Jade 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 Transvaal Jade and Covellite chemical formula.

Chemical formula of Transvaal Jade- Ca 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
Chemical formula of Covellite- CuSMichael OâDonoghue , Gems, Sixth edition (2006) More from other references

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Transvaal Jade and Covellite Specific Gravity

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