Eosphorite and Covellite Physical Properties

Eosphorite

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

3.05-3.084.6-4.76

1 7.18

1.5 Fracture

Subconchoidal, Uneven, Conchoidal, Uneven

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

1.6 Cleavage

Poor on {100}

Perfect on {0001}

1.7 Mohs Hardness

5Not Available

2 10

1.8 Chemical Composition

Mn2+ Al(PO 4)(OH) 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)

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

Eosphorite and Covellite Chemical Formula

While comparing Eosphorite 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 Eosphorite and Covellite chemical formula.

Chemical formula of Eosphorite- Mn2+ Al(PO 4)(OH) 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Covellite- CuSMichael OâDonoghue , Gems, Sixth edition (2006) More from other references

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Eosphorite and Covellite Specific Gravity

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