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Labradorite
Labradorite

Covellite
Covellite



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Labradorite
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Covellite

Labradorite and Covellite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
2.69-2.72
Uneven, Conchoidal
Perfect on {001}, less perfect on {010}, intersecting at near 90°; distinct on {110}
6-6.5
(Na,Ca)1-2Si3-2O8
 
Flexible
-
-
4.6-4.76
-
Perfect on {0001}
-9999
CuSMichael O’Donoghue , Gems, Sixth edition (2006) More from other references

Labradorite and Covellite Chemical Formula

While comparing Labradorite and Covellite 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 Labradorite and Covellite chemical formula.

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Labradorite and Covellite Specific Gravity

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