Tenacity
-
Brittle
Solubility
-
-
Durability
-
-
Specific Gravity
3.25-4.103.90-4.00
1
7.18
👆🏻
Fracture
Conchoidal, Uneven
Conchoidal
Cleavage
Perfect on { 2 01} fair on {010}
Perfect on {001}, good on {210}, poor on {010}
Mohs Hardness
3.5-43-3.5
2
10
👆🏻
Chemical Composition
Cu2CO3(OH)2
SrSO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references