Chrome Tourmaline and Covellite Physical Properties

Chrome Tourmaline

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

2.85-3.354.6-4.76

1 7.18

1.5 Fracture

ConchoidalArthur Thomas, Gemstones (2009)

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

1.6 Cleavage

3,2

Perfect on {0001}

1.7 Mohs Hardness

7-7.5Not Available

2 10

1.8 Chemical Composition

Tourmaline is a series of several different minerals with unique chemical formulas.

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

Chrome Tourmaline and Covellite Chemical Formula

While comparing Chrome Tourmaline 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 Chrome Tourmaline and Covellite chemical formula.

Chemical formula of Chrome Tourmaline- Tourmaline is a series of several different minerals with unique chemical formulas.
Chemical formula of Covellite- CuSMichael OâDonoghue , Gems, Sixth edition (2006) More from other references

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Chrome Tourmaline and Covellite Specific Gravity

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