Hematite and Covellite Physical Properties

Hematite

Covellite

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1 Physical Properties

1.1 Tenacity

Brittle

Flexible

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

5.00-5.304.6-4.76

1 7.18

1.5 Fracture

Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Conchoidal, Brittle

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

1.6 Cleavage

None, may show partings on {0001} and {10 1 1}

Perfect on {0001}

1.7 Mohs Hardness

6Not Available

2 10

1.8 Chemical Composition

Fe 2O 3Arthur Thomas , Gemstones (2009)

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

Hematite and Covellite Chemical Formula

While comparing Hematite 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 Hematite and Covellite chemical formula.

Chemical formula of Hematite- Fe 2O 3Arthur Thomas , Gemstones (2009)
Chemical formula of Covellite- CuSMichael OâDonoghue , Gems, Sixth edition (2006) More from other references

Compare Gems for Aquarius

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Hematite Vs Turquoise

Hematite and Covellite Specific Gravity

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