Mimetite and Covellite Physical Properties

Mimetite

Covellite

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1 Physical Properties

1.1 Tenacity

Brittle

Flexible

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

7.104.6-4.76

1 7.18

1.5 Fracture

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

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

1.6 Cleavage

[10 1 1] Imperfect

Perfect on {0001}

1.7 Mohs Hardness

3.5Not Available

2 10

1.8 Chemical Composition

Pb 5(AsO 4) 3ClMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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

Mimetite and Covellite Chemical Formula

While comparing Mimetite 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 Mimetite and Covellite chemical formula.

Chemical formula of Mimetite- Pb 5(AsO 4) 3ClMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Covellite- CuSMichael OâDonoghue , Gems, Sixth edition (2006) More from other references

Compare Red Gemstones

Mimetite Vs Phosphosiderite

Mimetite Vs Neptunite

Mimetite Vs Pezzottaite

Mimetite and Covellite Specific Gravity

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