Covellite and Cordierite Iolite Physical Properties

Covellite

Cordierite Iolite

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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

4.6-4.762.56-2.66

1 7.18

1.5 Fracture

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

Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001)

1.6 Cleavage

Perfect on {0001}

Not Available

1.7 Mohs Hardness

Not Available7-7.5

2 10

1.8 Chemical Composition

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

Mg 2Al 4Si 5O 18Ulrich Henn and Claudio C.

Covellite and Cordierite Iolite Chemical Formula

While comparing Covellite and Cordierite Iolite 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 Cordierite Iolite chemical formula.

Chemical formula of Covellite- CuSMichael OâDonoghue , Gems, Sixth edition (2006) More from other references
Chemical formula of Cordierite Iolite- Mg 2Al 4Si 5O 18Ulrich Henn and Claudio C.

Compare Blue Gemstones

Covellite Vs Fluorapatite

Covellite Vs Elbaite

Covellite Vs Falcons Eye

Covellite and Cordierite Iolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Covellite and Cordierite Iolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Covellite and Cordierite Iolite Optical Properties during the identification of gemstone. Specific gravity of Covellite is 2.56-2.66 whereas that of Cordierite Iolite is 2.56-2.66.