Covellite and Smoky Quartz Physical Properties
Tenacity
Flexible
Brittle
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
4.6-4.76
2.65
Fracture
Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Brittle, Metallic
Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001)
Cleavage
Perfect on {0001}
{0110} Indistinct
Mohs Hardness
Not Available
7
Chemical Composition
CuSMichael OâDonoghue , Gems, Sixth edition (2006) More from other references
SiO2
Covellite and Smoky Quartz Chemical Formula
While comparing Covellite and Smoky Quartz 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 Covellite and Smoky Quartz chemical formula.
- Chemical formula of Covellite- CuSMichael OâDonoghue , Gems, Sixth edition (2006) More from other references
- Chemical formula of Smoky Quartz- SiO2
Covellite and Smoky Quartz Specific Gravity
Another important criteria for qualitative analysis of gemstones is Covellite and Smoky Quartz Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Covellite and Smoky Quartz Optical Properties during the identification of gemstone. Specific gravity of Covellite is 2.65 whereas that of Smoky Quartz is 2.65.