Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
3.80-4.154.95-5.0
1
7.18
👆🏻
Fracture
Uneven
Uneven
Cleavage
perfect along [010] and [100]
Imperfect to indistinct on {10 1 0}, parting on {0001}
Mohs Hardness
3.5-44-5
2
10
👆🏻
Chemical Composition
Cu 5(SiO 3) 4(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
(Ce,La)(CO 3)FMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references