Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
3.803.95-4.10
1
7.18
👆🏻
Fracture
-
Uneven
Cleavage
Indistinct
{110} Perfect, {110} Perfect, {110} Perfect
Mohs Hardness
83.5-4
2
10
👆🏻
Chemical Composition
(Mg,Fe)Al 2O 4Gemdat.org , Management Team (2012)
(Zn,Fe)SMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references