Realgar and Azurite Physical Properties

Realgar

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

3.56

3.70-3.90

1.5 Fracture

(e.g. graphite).

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

1.6 Cleavage

{010} Good

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

1.7 Mohs Hardness

Not Available

3.5-4

1.8 Chemical Composition

AsSMichael OâDonoghue , Gems, Sixth Edition (2006)

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

Realgar and Azurite Chemical Formula

While comparing Realgar 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 Realgar and Azurite chemical formula.

Chemical formula of Realgar- AsSMichael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Azurite- Cu 3(OH) 2(CO 3) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Realgar and Azurite Specific Gravity

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