Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
3.65-4.554.39
1
7.18
👆🏻
Fracture
Conchoidal
Uneven
Cleavage
None, but may exhibit slight parting
{111} Indistinct, {111} Indistinct, {111} Indistinct
Mohs Hardness
7.5-87.5-8
2
10
👆🏻
Chemical Composition
(Mg,Zn)Al 2O 4Gemdat.org , Management Team (2012)
Fe2+ Al 2O 4Gemdat.org , Management Team (2012)