Azurite and Halite Physical Properties

Azurite

Halite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

Water-soluble

1.3 Durability

Not Available

1.4 Specific Gravity

3.70-3.902.17

1 7.18

1.5 Fracture

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Conchoidal

Conchoidal, Brittle, Metallic

1.6 Cleavage

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

Perfect {001}, three directions cubic

1.7 Mohs Hardness

3.5-42.0-2.5

2 10

1.8 Chemical Composition

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

NaCl

Azurite and Halite Chemical Formula

While comparing Azurite and Halite 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 Halite chemical formula.

Chemical formula of Azurite- Cu 3(OH) 2(CO 3) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Halite- NaCl

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Azurite and Halite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Azurite and Halite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Azurite and Halite Optical Properties during the identification of gemstone. Specific gravity of Azurite is 2.17 whereas that of Halite is 2.17.