Jade and Anorthite Physical Properties
Tenacity
Not Available
Brittle
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.90-3.38
2.77
Fracture
Gemstones of the world (2001), Difficult, Splintery
Uneven, Uneven, Gems, Sixth Edition (2006)
Cleavage
1 or 2,2 prismatic.
Perfect [001] good [010] poor [110]
Chemical Composition
Nephrite: Ca2(Mg,Fe)5Si8O22(OH)2 Jadeite: NaAlSi2O6
CaAl 2Si 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
Jade and Anorthite Chemical Formula
While comparing Jade and Anorthite 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 Anorthite chemical formula.
- Chemical formula of Jade- Nephrite: Ca2(Mg,Fe)5Si8O22(OH)2 Jadeite: NaAlSi2O6
- Chemical formula of Anorthite- CaAl 2Si 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
Jade and Anorthite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Jade and Anorthite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Jade and Anorthite Optical Properties during the identification of gemstone. Specific gravity of Jade is 2.77 whereas that of Anorthite is 2.77.