Jade and Fayalite Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.90-3.38
4.392
Fracture
Gemstones of the world (2001), Difficult, Splintery
Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle
Cleavage
1 or 2,2 prismatic.
{010} moderate, {100} imperfect
Chemical Composition
Nephrite: Ca2(Mg,Fe)5Si8O22(OH)2 Jadeite: NaAlSi2O6
Fe 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)
Jade and Fayalite Chemical Formula
While comparing Jade and Fayalite 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 Fayalite chemical formula.
- Chemical formula of Jade- Nephrite: Ca2(Mg,Fe)5Si8O22(OH)2 Jadeite: NaAlSi2O6
- Chemical formula of Fayalite- Fe 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)
Jade and Fayalite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Jade and Fayalite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Jade and Fayalite Optical Properties during the identification of gemstone. Specific gravity of Jade is 4.392 whereas that of Fayalite is 4.392.