Jade and Cobaltite Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.90-3.38
6.3
Fracture
Gemstones of the world (2001), Difficult, Splintery
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
1 or 2,2 prismatic.
{100} Good, {010} Good, {001} Good
Chemical Composition
Nephrite: Ca2(Mg,Fe)5Si8O22(OH)2 Jadeite: NaAlSi2O6
CoAsSAnthony et al , Handbook of mineralogy (2001)
Jade and Cobaltite Chemical Formula
While comparing Jade 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 Jade and Cobaltite chemical formula.
- Chemical formula of Jade- Nephrite: Ca2(Mg,Fe)5Si8O22(OH)2 Jadeite: NaAlSi2O6
- Chemical formula of Cobaltite- CoAsSAnthony et al , Handbook of mineralogy (2001)
Jade and Cobaltite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Jade and Cobaltite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Jade and Cobaltite Optical Properties during the identification of gemstone. Specific gravity of Jade is 6.3 whereas that of Cobaltite is 6.3.