Hematite and Azurite Physical Properties

Hematite

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

5.00-5.303.70-3.90

1 7.18

1.5 Fracture

Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Conchoidal, Brittle

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

1.6 Cleavage

None, may show partings on {0001} and {10 1 1}

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

1.7 Mohs Hardness

63.5-4

2 10

1.8 Chemical Composition

Fe 2O 3Arthur Thomas , Gemstones (2009)

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

Hematite and Azurite Chemical Formula

While comparing Hematite 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 Hematite and Azurite chemical formula.

Chemical formula of Hematite- Fe 2O 3Arthur Thomas , Gemstones (2009)
Chemical formula of Azurite- Cu 3(OH) 2(CO 3) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Hematite and Azurite Specific Gravity

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