1 Physical Properties
1.2 Tenacity
1.3 Solubility
1.5 Durability
Not Available
Not Available
1.7 Specific Gravity
1.10 Fracture
Uneven
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Conchoidal
1.13 Cleavage
{010} Perfect, {210} Perfect, {010} Imperfect
None
1.14 Mohs Hardness
1.16 Chemical Composition
BaSO4
Mg 3B 7O 13ClMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references