1 Physical Properties
1.1 Tenacity
1.2 Solubility
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.90-3.383.10-3.20
1
7.18
1.7 Fracture
Gemstones of the world (2001), Difficult, Splintery
Uneven, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle
1.8 Cleavage
1 or 2,2 prismatic.
Poor to good on (001)
1.9 Mohs Hardness
1.15 Chemical Composition
Nephrite: Ca2(Mg,Fe)5Si8O22(OH)2 Jadeite: NaAlSi2O6
(Mg,Fe) 5(SiO 4) 2(F,OH) 2Ulrich Henn and Claudio C.