Agate and Covellite Physical Properties

Agate

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

2.60-2.64

4.6-4.76

1.5 Fracture

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

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

1.6 Cleavage

Indiscernible

Perfect on {0001}

1.7 Mohs Hardness

6.5-7

Not Available

1.8 Chemical Composition

SiO₂

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

Agate and Covellite Chemical Formula

While comparing Agate 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 Agate and Covellite chemical formula.

Chemical formula of Agate- SiO₂
Chemical formula of Covellite- CuSMichael OâDonoghue , Gems, Sixth edition (2006) More from other references

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Agate and Covellite Specific Gravity

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