Zinnwaldite and Azurite Physical Properties

Zinnwaldite

Azurite

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1 Physical Properties

1.1 Tenacity

Elastic

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.9-3.13.70-3.90

1 7.18

1.5 Fracture

Uneven

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

1.6 Cleavage

Perfect basal {001}

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

1.7 Mohs Hardness

3.5-4.03.5-4

2 10

1.8 Chemical Composition

Not Available

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

Zinnwaldite and Azurite Chemical Formula

While comparing Zinnwaldite 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 Zinnwaldite and Azurite 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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Zinnwaldite and Azurite Specific Gravity

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