1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.90-3.386.30-6.39
1
7.18
1.8 Fracture
Gemstones of the world (2001), Difficult, Splintery
Conchoidal, Brittle, Conchoidal, Brittle, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Conchoidal
1.9 Cleavage
1 or 2,2 prismatic.
[001] good, [210] distinct
1.10 Mohs Hardness
1.11 Chemical Composition
Nephrite: Ca2(Mg,Fe)5Si8O22(OH)2 Jadeite: NaAlSi2O6
PbSO 4Michael OâDonoghue , Gems, Sixth edition (2006) More from other references