Tenacity
Brittle
-
Solubility
-
-
Durability
-
-
Specific Gravity
3.83-3.893.95-4.10
1
7.18
👆🏻
Fracture
Uneven, Conchoidal
Uneven
Cleavage
Perfect on {01 1 1}
{110} Perfect, {110} Perfect, {110} Perfect
Mohs Hardness
3.5-4.53.5-4
2
10
👆🏻
Chemical Composition
Fe2+ CO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
(Zn,Fe)SMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references