Covellite and Narsarsukite Physical Properties

Covellite

Narsarsukite

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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

4.6-4.762.72-2.83

1 7.18

1.5 Fracture

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

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

1.6 Cleavage

Perfect on {0001}

Good on {100} and {110}

1.7 Mohs Hardness

Not Available6-7

2 10

1.8 Chemical Composition

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

Na 2(Ti,Fe)Si 4(O,F) 11Ulrich Henn and Claudio C.

Covellite and Narsarsukite Chemical Formula

While comparing Covellite and Narsarsukite 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 Narsarsukite chemical formula.

Chemical formula of Covellite- CuSMichael OâDonoghue , Gems, Sixth edition (2006) More from other references
Chemical formula of Narsarsukite- Na 2(Ti,Fe)Si 4(O,F) 11Ulrich Henn and Claudio C.

Compare Blue Gemstones

Covellite Vs Elbaite

Covellite Vs Falcons Eye

Covellite Vs Fluorapatite

Covellite and Narsarsukite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Covellite and Narsarsukite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Covellite and Narsarsukite Optical Properties during the identification of gemstone. Specific gravity of Covellite is 2.72-2.83 whereas that of Narsarsukite is 2.72-2.83.