Malachite and Cobaltite Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
3.25-4.10
6.3
Fracture
Conchoidal, Conchoidal, Gemstones (2009), Uneven
UnevenAnthony et al, Handbook of mineralogy (2001) More from other references, UnevenAnthony et al, Handbook of mineralogy (2001) More from other references, Brittle, Metallic
Cleavage
Perfect on { 2 01} fair on {010}
{100} Good, {010} Good, {001} Good
Chemical Composition
Cu2CO3(OH)2
CoAsSAnthony et al , Handbook of mineralogy (2001)
Malachite and Cobaltite Chemical Formula
While comparing Malachite and Cobaltite 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 Cobaltite chemical formula.
- Chemical formula of Malachite- Cu2CO3(OH)2
- Chemical formula of Cobaltite- CoAsSAnthony et al , Handbook of mineralogy (2001)
Malachite and Cobaltite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Malachite and Cobaltite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Malachite and Cobaltite Optical Properties during the identification of gemstone. Specific gravity of Malachite is 6.3 whereas that of Cobaltite is 6.3.