Azurite and Hardystonite Physical Properties

Azurite

Hardystonite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.70-3.903.396-3.443

1 7.18

1.5 Fracture

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

Brittle, Metallic

1.6 Cleavage

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

[001] good, [100] and [110] fair

1.7 Mohs Hardness

3.5-43-4

2 10

1.8 Chemical Composition

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

Ca 2ZnSi 2O 7Anthony et al , Handbook of mineralogy (2001)

Azurite and Hardystonite Chemical Formula

While comparing Azurite and Hardystonite 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 Hardystonite 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 Hardystonite- Ca 2ZnSi 2O 7Anthony et al , Handbook of mineralogy (2001)

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Azurite and Hardystonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Azurite and Hardystonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Azurite and Hardystonite Optical Properties during the identification of gemstone. Specific gravity of Azurite is 3.396-3.443 whereas that of Hardystonite is 3.396-3.443.