Benitoite and Covellite Physical Properties

Benitoite

Covellite

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1 Physical Properties

1.1 Tenacity

Not Available

Flexible

1.2 Solubility

Insoluble: HCl

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.61-3.684.6-4.76

1 7.18

1.5 Fracture

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle

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

1.6 Cleavage

[10 1 1] poor

Perfect on {0001}

1.7 Mohs Hardness

6-6.5Not Available

2 10

1.8 Chemical Composition

BaTiSi 3O 9Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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

Benitoite and Covellite Chemical Formula

While comparing Benitoite 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 Benitoite and Covellite chemical formula.

Chemical formula of Benitoite- BaTiSi 3O 9Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Covellite- CuSMichael OâDonoghue , Gems, Sixth edition (2006) More from other references

Compare Violet Gemstones

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Benitoite Vs Charoite

Benitoite Vs Chrome Tourmaline

Benitoite and Covellite Specific Gravity

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