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
Uneven
Conchoidal, Metallic, UnevenArthur Thomas, Gemstones (2009), Brittle, Conchoidal
1.6 Cleavage
{010} Perfect, {210} Perfect, {010} Imperfect
Fair in four directions forming octahedrons
1.7 Mohs Hardness
1.8 Chemical Composition
BaSO4
Cu 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references