Azurite and Zinnwaldite Physical Properties

Azurite

Zinnwaldite

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1 Physical Properties

1.1 Tenacity

Brittle

Elastic

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.70-3.902.9-3.1

1 7.18

1.5 Fracture

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

Uneven

1.6 Cleavage

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

Perfect basal {001}

1.7 Mohs Hardness

3.5-43.5-4.0

2 10

1.8 Chemical Composition

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

Not Available

Azurite and Zinnwaldite Chemical Formula

While comparing Azurite and Zinnwaldite 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 Zinnwaldite chemical formula.

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

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Azurite and Zinnwaldite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Azurite and Zinnwaldite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Azurite and Zinnwaldite Optical Properties during the identification of gemstone. Specific gravity of Azurite is 2.9-3.1 whereas that of Zinnwaldite is 2.9-3.1.