×

Precious Opal
Precious Opal

Covellite
Covellite



ADD
Compare
X
Precious Opal
X
Covellite

Precious Opal and Covellite Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Flexible
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
1.98-2.254.6-4.76
Amber
1 7.18
1.5 Fracture
Conchoidal, Conchoidal, Gemstones of the world (2001) More from other references
Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Brittle, Metallic
1.6 Cleavage
Not Available
Perfect on {0001}
1.7 Mohs Hardness
5-6.5Not Available
Amber
2 10
1.8 Chemical Composition
SiO 2 · nH 2OGemdat.org , Management Team (2012)
CuSMichael O’Donoghue , Gems, Sixth edition (2006) More from other references

Precious Opal and Covellite Chemical Formula

While comparing Precious Opal and Covellite 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 Precious Opal and Covellite chemical formula.

  • Chemical formula of Precious Opal- SiO 2 · nH 2OGemdat.org , Management Team (2012)
  • Chemical formula of Covellite- CuSMichael O’Donoghue , Gems, Sixth edition (2006) More from other references

Precious Opal and Covellite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Precious Opal and Covellite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Precious Opal and Covellite Optical Properties during the identification of gemstone. Specific gravity of Precious Opal is 4.6-4.76 whereas that of Covellite is 4.6-4.76.