Halite and Azurite Physical Properties

Halite

Azurite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Water-soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.17

3.70-3.90

1.5 Fracture

Conchoidal, Brittle, Metallic

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

1.6 Cleavage

Perfect {001}, three directions cubic

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

1.7 Mohs Hardness

2.0-2.5

3.5-4

1.8 Chemical Composition

NaCl

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

Halite and Azurite Chemical Formula

While comparing Halite and Azurite 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 Halite and Azurite chemical formula.

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

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Halite and Azurite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Halite and Azurite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Halite and Azurite Optical Properties during the identification of gemstone. Specific gravity of Halite is 3.70-3.90 whereas that of Azurite is 3.70-3.90.