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Sapphire
Sapphire

Azurite
Azurite



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Sapphire
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Azurite

Sapphire and Azurite Physical Properties

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1 Physical Properties
1.1 Tenacity
Not Available
Brittle
1.2 Solubility
insoluble
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.95-4.033.70-3.90
Amber
1 7.18
1.5 Fracture
Uneven, Uneven, Gems, Sixth Edition (2006)
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Conchoidal
1.6 Cleavage
None, but may exhibit parting
Perfect on {011}, fair on {100}, poor on {110}
1.7 Mohs Hardness
93.5-4
Amber
2 10
1.8 Chemical Composition
Al 2 O 3
Cu 3(OH) 2(CO 3) 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Sapphire and Azurite Chemical Formula

While comparing Sapphire 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 Sapphire and Azurite chemical formula.

  • Chemical formula of Sapphire- Al 2 O 3
  • Chemical formula of Azurite- Cu 3(OH) 2(CO 3) 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Sapphire and Azurite Specific Gravity

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