Hyalite and Covellite Physical Properties

Hyalite

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

Not Available4.6-4.76

1 7.18

1.5 Fracture

Conchoidal, Conchoidal, Gemstones of the world (2001)

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

1.6 Cleavage

Not Available

Perfect on {0001}

1.7 Mohs Hardness

5.5-6.5Not Available

2 10

1.8 Chemical Composition

SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)

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

Hyalite and Covellite Chemical Formula

While comparing Hyalite 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 Hyalite and Covellite chemical formula.

Chemical formula of Hyalite- SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)
Chemical formula of Covellite- CuSMichael OâDonoghue , Gems, Sixth edition (2006) More from other references

Compare Colorless Gems

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Hyalite and Covellite Specific Gravity

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