Malachite and Covellite Physical Properties
Tenacity
Not Available
Flexible
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
3.25-4.10
4.6-4.76
Fracture
Conchoidal, Conchoidal, Gemstones (2009), Uneven
Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Brittle, Metallic
Cleavage
Perfect on { 2 01} fair on {010}
Perfect on {0001}
Mohs Hardness
3.5-4
Not Available
Chemical Composition
Cu2CO3(OH)2
CuSMichael OâDonoghue , Gems, Sixth edition (2006) More from other references
Malachite and Covellite Chemical Formula
While comparing Malachite 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 Malachite and Covellite chemical formula.
- Chemical formula of Malachite- Cu2CO3(OH)2
- Chemical formula of Covellite- CuSMichael OâDonoghue , Gems, Sixth edition (2006) More from other references
Malachite and Covellite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Malachite and Covellite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Malachite and Covellite Optical Properties during the identification of gemstone. Specific gravity of Malachite is 4.6-4.76 whereas that of Covellite is 4.6-4.76.