Hardystonite and Covellite Physical Properties
Tenacity
Brittle
Flexible
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
3.396-3.443
4.6-4.76
Fracture
Brittle, Metallic
Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Brittle, Metallic
Cleavage
[001] good, [100] and [110] fair
Perfect on {0001}
Mohs Hardness
3-4
Not Available
Chemical Composition
Ca 2ZnSi 2O 7Anthony et al , Handbook of mineralogy (2001)
CuSMichael OâDonoghue , Gems, Sixth edition (2006) More from other references
Hardystonite and Covellite Chemical Formula
While comparing Hardystonite 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 Hardystonite and Covellite chemical formula.
- Chemical formula of Hardystonite- Ca 2ZnSi 2O 7Anthony et al , Handbook of mineralogy (2001)
- Chemical formula of Covellite- CuSMichael OâDonoghue , Gems, Sixth edition (2006) More from other references
Hardystonite and Covellite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Hardystonite and Covellite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hardystonite and Covellite Optical Properties during the identification of gemstone. Specific gravity of Hardystonite is 4.6-4.76 whereas that of Covellite is 4.6-4.76.