Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
3.80-4.153.23-3.26
1
7.18
👆🏻
Fracture
Uneven
Conchoidal
Cleavage
perfect along [010] and [100]
Perfect on {010} imperfect on {100}
Mohs Hardness
3.5-46.5-7
2
10
👆🏻
Chemical Composition
Cu 5(SiO 3) 4(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Mg 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)