Amethyst and Cobaltite Physical Properties
Tenacity
Not Available
Not Available
Solubility
insoluble in common solvents
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.65
6.3
Fracture
Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001)
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
Indiscernible
{100} Good, {010} Good, {001} Good
Chemical Composition
SiO2
CoAsSAnthony et al , Handbook of mineralogy (2001)
Amethyst and Cobaltite Chemical Formula
While comparing Amethyst 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 Amethyst and Cobaltite chemical formula.
- Chemical formula of Amethyst- SiO2
- Chemical formula of Cobaltite- CoAsSAnthony et al , Handbook of mineralogy (2001)
Amethyst and Cobaltite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Amethyst and Cobaltite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Amethyst and Cobaltite Optical Properties during the identification of gemstone. Specific gravity of Amethyst is 6.3 whereas that of Cobaltite is 6.3.