1 Physical Properties
1.1 Tenacity
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
5.00-5.303.65-4.55
1
7.18
2.5 Fracture
Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Conchoidal, Brittle
ConchoidalArthur Thomas, Gemstones (2009)
2.6 Cleavage
None, may show partings on {0001} and {10 1 1}
None, but may exhibit slight parting
2.7 Mohs Hardness
2.11 Chemical Composition
Fe 2O 3Arthur Thomas , Gemstones (2009)
(Mg,Zn)Al 2O 4Gemdat.org , Management Team (2012)