Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
3.95-4.103.63-3.9
1
7.18
👆🏻
Fracture
Uneven
Conchoidal, Uneven
Cleavage
{110} Perfect, {110} Perfect, {110} Perfect
Indistinct
Mohs Hardness
3.5-47.5-8
2
10
👆🏻
Chemical Composition
(Zn,Fe)SMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
(Mg,Fe2+ )Al 2O 4Gemdat.org , Management Team (2012) More from other references