Galena and Cobaltite Physical Properties
Tenacity
Brittle
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
6.23
6.3
Fracture
Subconchoidal, Brittle, Metallic
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
Cubic perfect on [001], parting on [111]
{100} Good, {010} Good, {001} Good
Mohs Hardness
2.5-2.75
5.5
Chemical Composition
PbS
CoAsSAnthony et al , Handbook of mineralogy (2001)
Galena and Cobaltite Chemical Formula
While comparing Galena 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 Galena and Cobaltite chemical formula.
- Chemical formula of Galena- PbS
- Chemical formula of Cobaltite- CoAsSAnthony et al , Handbook of mineralogy (2001)
Galena and Cobaltite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Galena and Cobaltite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Galena and Cobaltite Optical Properties during the identification of gemstone. Specific gravity of Galena is 6.3 whereas that of Cobaltite is 6.3.