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
Gemstones (2009), UnevenArthur Thomas, Gemstones (2009)
Conchoidal, Uneven, ConchoidalArthur Thomas, Brittle
1.6 Cleavage
Not Available
Distinct on {10 1 1}, imperfect on {01 1 2}
1.7 Mohs Hardness
1.8 Chemical Composition
Al 2SiO 5Arthur Thomas , Gemstones (2009)
Ag 3SbS 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references