Tenacity
-
Brittle
Solubility
-
slightly water soluble and in hot hydrochloric acid
Durability
-
-
Specific Gravity
2.90-3.383.00-3.25
1
7.18
👆🏻
Fracture
Splintery
Subconchoidal, Uneven, ConchoidalWalter Schumann
Cleavage
1 or 2,2 prismatic.
Octahedral, perfect on {111}, parting on {011}
Mohs Hardness
6-74
2
10
👆🏻
Chemical Composition
Nephrite: Ca2(Mg,Fe)5Si8O22(OH)2 Jadeite: NaAlSi2O6
CaF2