Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
3.79-3.943.95-4.10
1
7.18
👆🏻
Fracture
Lamellar, Splintery
Uneven
Cleavage
{100} Good, {001} Good, {010} Poor
{110} Perfect, {110} Perfect, {110} Perfect
Mohs Hardness
43.5-4
2
10
👆🏻
Chemical Composition
FeAs
(Zn,Fe)SMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references