Covellite and Creedite Physical Properties

Covellite

Creedite

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1 Physical Properties

1.1 Tenacity

Flexible

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

4.6-4.762.70

1 7.18

1.5 Fracture

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

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

1.6 Cleavage

Perfect on {0001}

Perfect on {100}

1.7 Mohs Hardness

Not Available4.5

2 10

1.8 Chemical Composition

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

Ca 3Al 2(SO 4)(F,OH) 10Ulrich Henn and Claudio C.

Covellite and Creedite Chemical Formula

While comparing Covellite and Creedite 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 Creedite chemical formula.

Chemical formula of Covellite- CuSMichael OâDonoghue , Gems, Sixth edition (2006) More from other references
Chemical formula of Creedite- Ca 3Al 2(SO 4)(F,OH) 10Ulrich Henn and Claudio C.

Compare Blue Gemstones

Covellite Vs Falcons Eye

Covellite Vs Fluorapatite

Covellite Vs Elbaite

Covellite and Creedite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Covellite and Creedite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Covellite and Creedite Optical Properties during the identification of gemstone. Specific gravity of Covellite is 2.70 whereas that of Creedite is 2.70.