Covellite and Scolecite Physical Properties

Covellite

Scolecite

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1 Physical Properties

1.1 Tenacity

Flexible

Brittle

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

4.6-4.762.20-2.23

1 7.18

1.5 Fracture

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

Irregular/uneven, UnevenAnthony et al, Handbook of mineralogy (2001), Brittle, Uneven

1.6 Cleavage

Perfect on {0001}

Perfect on {110} and {1 1 0}

1.7 Mohs Hardness

Not Available5-5.5

2 10

1.8 Chemical Composition

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

CaAl 2Si 3O 10 · 3H 2OUlrich Henn and Claudio C.

Covellite and Scolecite Chemical Formula

While comparing Covellite and Scolecite 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 Scolecite chemical formula.

Chemical formula of Covellite- CuSMichael OâDonoghue , Gems, Sixth edition (2006) More from other references
Chemical formula of Scolecite- CaAl 2Si 3O 10 · 3H 2OUlrich Henn and Claudio C.

Compare Blue Gemstones

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Covellite Vs Elbaite

Covellite and Scolecite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Covellite and Scolecite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Covellite and Scolecite Optical Properties during the identification of gemstone. Specific gravity of Covellite is 2.20-2.23 whereas that of Scolecite is 2.20-2.23.