Caledonite and Covellite Physical Properties

Caledonite

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

5.6-5.764.6-4.76

1 7.18

1.5 Fracture

Uneven, UnevenAnthony et al, Handbook of mineralogy (2001)

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

1.6 Cleavage

[001] perfect; [100] distinct

Perfect on {0001}

1.7 Mohs Hardness

2.5-3Not Available

2 10

1.8 Chemical Composition

Pb 5Cu 2(SO 4) 3(CO 3)(OH) 6Anthony et al , Handbook of mineralogy (2001)

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

Caledonite and Covellite Chemical Formula

While comparing Caledonite 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 Caledonite and Covellite chemical formula.

Chemical formula of Caledonite- Pb 5Cu 2(SO 4) 3(CO 3)(OH) 6Anthony et al , Handbook of mineralogy (2001)
Chemical formula of Covellite- CuSMichael OâDonoghue , Gems, Sixth edition (2006) More from other references

Compare Blue Gemstones

Caledonite Vs Chrysocolla

Caledonite Vs Coral

Caledonite Vs Common Opal

Caledonite and Covellite Specific Gravity

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