Kunzite and Covellite Physical Properties

Kunzite

Covellite

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1 Physical Properties

1.1 Tenacity

Not Available

Flexible

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.15-3.21

4.6-4.76

1.5 Fracture

Gemstones of the world (2001), UnevenWalter Schumann, Gemstones of the world (2001)

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

1.6 Cleavage

1,2 prismatic

Perfect on {0001}

1.7 Mohs Hardness

6-7

Not Available

1.8 Chemical Composition

LiAlSi₂O₆

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

Kunzite and Covellite Chemical Formula

While comparing Kunzite 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 Kunzite and Covellite chemical formula.

Chemical formula of Kunzite- LiAlSi₂O₆
Chemical formula of Covellite- CuSMichael OâDonoghue , Gems, Sixth edition (2006) More from other references

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Kunzite Vs Kyanite

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Kunzite and Covellite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Kunzite and Covellite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Kunzite and Covellite Optical Properties during the identification of gemstone. Specific gravity of Kunzite is 4.6-4.76 whereas that of Covellite is 4.6-4.76.