Covellite and Marialite Physical Properties

Covellite

Marialite

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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

4.6-4.762.50

1 7.18

1.5 Fracture

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

Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal

1.6 Cleavage

Perfect on {0001}

Distinct on {100} and {110}

1.7 Mohs Hardness

Not Available5.5-6

2 10

1.8 Chemical Composition

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

3NaAlSi 3O 8 · NaClAnthony et al , Handbook of mineralogy (2001)

Covellite and Marialite Chemical Formula

While comparing Covellite and Marialite 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 Marialite chemical formula.

Chemical formula of Covellite- CuSMichael OâDonoghue , Gems, Sixth edition (2006) More from other references
Chemical formula of Marialite- 3NaAlSi 3O 8 · NaClAnthony et al , Handbook of mineralogy (2001)

Compare Blue Gemstones

Covellite Vs Falcons Eye

Covellite Vs Elbaite

Covellite Vs Fluorapatite

Covellite and Marialite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Covellite and Marialite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Covellite and Marialite Optical Properties during the identification of gemstone. Specific gravity of Covellite is 2.50 whereas that of Marialite is 2.50.