1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Not Available
Not Available
1.5 Durability
Not Available
Not Available
1.7 Specific Gravity
2.90-3.382.54-2.78
1
7.18
2.5 Fracture
Gemstones of the world (2001), Difficult, Splintery
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)
2.6 Cleavage
1 or 2,2 prismatic.
Good in three directions
2.7 Mohs Hardness
2.14 Chemical Composition
Nephrite: Ca2(Mg,Fe)5Si8O22(OH)2 Jadeite: NaAlSi2O6
K(Ca,Na) 2Si 4O 10(OH,F) · H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references