Tenacity
Solubility
Durability
Specific Gravity
Fracture
Cleavage
Mohs Hardness
Chemical Composition
CuFeS 2Anthony et al , Handbook of mineralogy (2001)
On {101}, distinct; on {112}, interrupted; on {001}, indistinct
CaWO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references