Covellite and Hibschite Physical Properties

Covellite

Hibschite

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1 Physical Properties

1.1 Tenacity

Flexible

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

4.6-4.763.05-3.08

1 7.18

1.5 Fracture

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

Uneven, Uneven, Irregular, Management Team (2012), Conchoidal, Brittle

1.6 Cleavage

Perfect on {0001}

None

1.7 Mohs Hardness

Not Available6.5

2 10

1.8 Chemical Composition

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

Ca 3Al 2(SiO 4) 3-x(OH) 4x (x=0.2 to 1.5)Anthony et al , Handbook of mineralogy (2001)

Covellite and Hibschite Chemical Formula

While comparing Covellite and Hibschite 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 Covellite and Hibschite chemical formula.

Chemical formula of Covellite- CuSMichael OâDonoghue , Gems, Sixth edition (2006) More from other references
Chemical formula of Hibschite- Ca 3Al 2(SiO 4) 3-x(OH) 4x (x=0.2 to 1.5)Anthony et al , Handbook of mineralogy (2001)

Compare Blue Gemstones

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Covellite Vs Elbaite

Covellite Vs Fluorapatite

Covellite and Hibschite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Covellite and Hibschite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Covellite and Hibschite Optical Properties during the identification of gemstone. Specific gravity of Covellite is 3.05-3.08 whereas that of Hibschite is 3.05-3.08.