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Azurite
Azurite

Precious Opal
Precious Opal



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Azurite
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Precious Opal

Azurite and Precious Opal Physical Properties

1 Physical Properties
1.1 Tenacity
Brittle
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.70-3.901.98-2.25
Amber
1 7.18
1.5 Fracture
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Conchoidal
Conchoidal, Conchoidal, Gemstones of the world (2001) More from other references
1.6 Cleavage
Perfect on {011}, fair on {100}, poor on {110}
Not Available
1.7 Mohs Hardness
3.5-45-6.5
Amber
2 10
1.8 Chemical Composition
Cu 3(OH) 2(CO 3) 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
SiO 2 · nH 2OGemdat.org , Management Team (2012)

Azurite and Precious Opal Chemical Formula

While comparing Azurite and Precious Opal 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 Precious Opal chemical formula.

  • Chemical formula of Azurite- Cu 3(OH) 2(CO 3) 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
  • Chemical formula of Precious Opal- SiO 2 · nH 2OGemdat.org , Management Team (2012)

Azurite and Precious Opal Specific Gravity

Another important criteria for qualitative analysis of gemstones is Azurite and Precious Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Azurite and Precious Opal Optical Properties during the identification of gemstone. Specific gravity of Azurite is 1.98-2.25 whereas that of Precious Opal is 1.98-2.25.