Verdite and Covellite Physical Properties
Tenacity
Not Available
Flexible
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.80-3.0
4.6-4.76
Fracture
Not Available
Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Brittle, Metallic
Cleavage
{110} Good
Perfect on {0001}
Mohs Hardness
3
Not Available
Chemical Composition
NaFeS2•2(H2O)
CuSMichael OâDonoghue , Gems, Sixth edition (2006) More from other references
Verdite and Covellite Chemical Formula
While comparing Verdite 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 Verdite and Covellite chemical formula.
- Chemical formula of Verdite- NaFeS2•2(H2O)
- Chemical formula of Covellite- CuSMichael OâDonoghue , Gems, Sixth edition (2006) More from other references
Verdite and Covellite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Verdite and Covellite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Verdite and Covellite Optical Properties during the identification of gemstone. Specific gravity of Verdite is 4.6-4.76 whereas that of Covellite is 4.6-4.76.