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, Uneven, ConchoidalArthur Thomas, Brittle
1.6 Cleavage
{010} Perfect, {210} Perfect, {010} Imperfect
Distinct on {10 1 1}, imperfect on {01 1 2}
1.7 Mohs Hardness
1.8 Chemical Composition
BaSO4
Ag 3SbS 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references