Covellite and Bertrandite Physical Properties

Covellite

Bertrandite

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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

4.6-4.762.59-2.60

1 7.18

1.5 Fracture

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

Brittle, Metallic, Brittle, Metallic

1.6 Cleavage

Perfect on {0001}

{001} Perfect, {110} Distinct, {101} Distinct

1.7 Mohs Hardness

Not Available6-7

2 10

1.8 Chemical Composition

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

Be 4Si 2O 7(OH) 2Anthony et al , Handbook of mineralogy (2001)

Covellite and Bertrandite Chemical Formula

While comparing Covellite and Bertrandite 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 Bertrandite chemical formula.

Chemical formula of Covellite- CuSMichael OâDonoghue , Gems, Sixth edition (2006) More from other references
Chemical formula of Bertrandite- Be 4Si 2O 7(OH) 2Anthony et al , Handbook of mineralogy (2001)

Compare Blue Gemstones

Covellite Vs Elbaite

Covellite Vs Falcons Eye

Covellite Vs Fluorapatite

Covellite and Bertrandite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Covellite and Bertrandite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Covellite and Bertrandite Optical Properties during the identification of gemstone. Specific gravity of Covellite is 2.59-2.60 whereas that of Bertrandite is 2.59-2.60.