Tenacity
Solubility
Durability
Specific Gravity
Fracture
Cleavage
Mohs Hardness
Chemical Composition
Imperfect, poor one {100}
Zn 2(AsO 4)(OH) · H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Subconchoidal, Conchoidal
Poor on {120}, in traces on {001}
TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references