1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.5 Solubility
1.6 Durability
Not Available
Not Available
1.9 Specific Gravity
1.8 Fracture
Gemstones (2009), UnevenArthur Thomas, Gemstones (2009)
Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009)
1.9 Cleavage
1.10 Mohs Hardness
1.14 Chemical Composition
BaSO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
(Mg,Fe2+ )Al 2O 4Gemdat.org , Management Team (2012) More from other references