Covellite and Poldervaartite Physical Properties

Covellite

Poldervaartite

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1 Physical Properties

1.1 Tenacity

Flexible

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

4.6-4.762.91

1 7.18

1.5 Fracture

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

Handbook of mineralogy (2001)

1.6 Cleavage

Perfect on {0001}

None

1.7 Mohs Hardness

Not AvailableNot Available

2 10

1.8 Chemical Composition

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

(Ca,Mn2+ ) 2(SiO 3OH)(OH)Anthony et al , Handbook of Mineralogy (2001)

Covellite and Poldervaartite Chemical Formula

While comparing Covellite and Poldervaartite 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 Covellite and Poldervaartite chemical formula.

Chemical formula of Covellite- CuSMichael OâDonoghue , Gems, Sixth edition (2006) More from other references
Chemical formula of Poldervaartite- (Ca,Mn2+ ) 2(SiO 3OH)(OH)Anthony et al , Handbook of Mineralogy (2001)

Compare Blue Gemstones

Covellite Vs Fluorapatite

Covellite Vs Elbaite

Covellite Vs Falcons Eye

Covellite and Poldervaartite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Covellite and Poldervaartite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Covellite and Poldervaartite Optical Properties during the identification of gemstone. Specific gravity of Covellite is 2.91 whereas that of Poldervaartite is 2.91.