Allanite and Azurite Physical Properties

Allanite

Azurite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.40-4.203.70-3.90

1 7.18

1.5 Fracture

Not Available

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

1.6 Cleavage

Not Available

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

1.7 Mohs Hardness

Not Available3.5-4

2 10

1.8 Chemical Composition

Not Available

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

Allanite and Azurite Chemical Formula

While comparing Allanite 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 Allanite 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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Allanite and Azurite Specific Gravity

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