Kornerupine and Covellite Physical Properties

Kornerupine

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

3.25-3.454.6-4.76

1 7.18

1.5 Fracture

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

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

1.6 Cleavage

Good on {110}

Perfect on {0001}

1.7 Mohs Hardness

6.5Not Available

2 10

1.8 Chemical Composition

Mg 3Al 6(Si,Al,B) 5O 21(OH)Walter Schumann , Gemstones of the world (2001) More from other references

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

Kornerupine and Covellite Chemical Formula

While comparing Kornerupine 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 Kornerupine and Covellite chemical formula.

Chemical formula of Kornerupine- Mg 3Al 6(Si,Al,B) 5O 21(OH)Walter Schumann , Gemstones of the world (2001) More from other references
Chemical formula of Covellite- CuSMichael OâDonoghue , Gems, Sixth edition (2006) More from other references

Compare Green Gemstones

Kornerupine Vs Ludlamite

Kornerupine Vs Marble

Kornerupine Vs Malachite

Kornerupine and Covellite Specific Gravity

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