1 Physical Properties
1.1 Tenacity
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.2 Specific Gravity
1.14 Fracture
Not Available
Conchoidal, Uneven, ConchoidalArthur Thomas, Brittle
1.15 Cleavage
Not Available
Distinct on {10 1 1}, imperfect on {01 1 2}
1.16 Mohs Hardness
1.17 Chemical Composition
Ca 2NaHSi 3O 9Ulrich Henn and Claudio C.
Ag 3SbS 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references