Azurite and Allanite Physical Properties

Azurite

Allanite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.70-3.903.40-4.20

1 7.18

1.5 Fracture

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

Not Available

1.6 Cleavage

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

Not Available

1.7 Mohs Hardness

3.5-4Not Available

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 Allanite Chemical Formula

While comparing Azurite and Allanite 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 Allanite 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 Allanite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Azurite and Allanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Azurite and Allanite Optical Properties during the identification of gemstone. Specific gravity of Azurite is 3.40-4.20 whereas that of Allanite is 3.40-4.20.