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
Conchoidal, Uneven, ConchoidalArthur Thomas, Brittle
Uneven
1.6 Cleavage
Distinct on {10 1 1}, imperfect on {01 1 2}
{100} Perfect, {010} Perfect
1.7 Mohs Hardness
1.8 Chemical Composition
Ag 3SbS 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
(Fe,Mg) 2Si 2O 6Ulrich Henn and Claudio C.