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