Azurite and Benitoite Physical Properties

Azurite

Benitoite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

Insoluble: HCl

1.3 Durability

Not Available

1.4 Specific Gravity

3.70-3.903.61-3.68

1 7.18

1.5 Fracture

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

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

1.6 Cleavage

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

[10 1 1] poor

1.7 Mohs Hardness

3.5-46-6.5

2 10

1.8 Chemical Composition

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

BaTiSi 3O 9Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Azurite and Benitoite Chemical Formula

While comparing Azurite and Benitoite 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 Benitoite chemical formula.

Chemical formula of Azurite- Cu 3(OH) 2(CO 3) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Benitoite- BaTiSi 3O 9Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Azurite and Benitoite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Azurite and Benitoite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Azurite and Benitoite Optical Properties during the identification of gemstone. Specific gravity of Azurite is 3.61-3.68 whereas that of Benitoite is 3.61-3.68.