Wulfenite and Azurite Physical Properties

Wulfenite

Azurite

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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

6.50-7.003.70-3.90

1 7.18

1.5 Fracture

Irregular, Brittle, Conchoidal

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

1.6 Cleavage

On {011}, distinct; on {001}, {013}, indistinct

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

1.7 Mohs Hardness

33.5-4

2 10

1.8 Chemical Composition

PbMoO 4Walter Schumann , Gemstones of the world (2001)

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

Wulfenite and Azurite Chemical Formula

While comparing Wulfenite 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 Wulfenite and Azurite chemical formula.

Chemical formula of Wulfenite- PbMoO 4Walter Schumann , Gemstones of the world (2001)
Chemical formula of Azurite- Cu 3(OH) 2(CO 3) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Wulfenite and Azurite Specific Gravity

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