Violane and Covellite Physical Properties

Violane

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

3.22-3.404.6-4.76

1 7.18

1.5 Fracture

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)

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

1.6 Cleavage

Not Available

Perfect on {0001}

1.7 Mohs Hardness

5-6Not Available

2 10

1.8 Chemical Composition

(Ca,Mg,Mn)SiO 3Gemdat.org , Management Team (2012)

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

Violane and Covellite Chemical Formula

While comparing Violane 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 Violane and Covellite chemical formula.

Chemical formula of Violane- (Ca,Mg,Mn)SiO 3Gemdat.org , Management Team (2012)
Chemical formula of Covellite- CuSMichael OâDonoghue , Gems, Sixth edition (2006) More from other references

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Violane and Covellite Specific Gravity

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