Azurite and Caledonite Physical Properties

Azurite

Caledonite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

Brittle

3.70-3.90

Conchoidal

Perfect on {011}, fair on {100}, poor on {110}

3.5-4

Cu 3(OH) 2(CO 3) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Brittle

5.6-5.76

Uneven

[001] perfect; [100] distinct

2.5-3

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

Azurite and Caledonite Chemical Formula

While comparing Azurite and Caledonite 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 Azurite and Caledonite chemical formula.

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Azurite and Caledonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Azurite and Caledonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Azurite Vs Caledonite during the identification of gemstone. Specific gravity of Azurite is whereas that of Caledonite is .