1 Physical Properties
1.1 Tenacity
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
1.5 Fracture
Conchoidal, Uneven, Brittle
ConchoidalArthur Thomas, Gemstones (2009)
1.6 Cleavage
Imperfect on {001}, indistinct on {011}
None, but may exhibit slight parting
1.7 Mohs Hardness
1.8 Chemical Composition
Not Available
(Mg,Zn)Al 2O 4Gemdat.org , Management Team (2012)