Tenacity
Solubility
Durability
Specific Gravity
Fracture
Cleavage
Mohs Hardness
Chemical Composition
{001} perfect; {111} imperfect, may exhibit parting on , {011}
MgOMichael OâDonoghue , Gems, Sixth Edition (2006)
{110} Perfect, {110} Perfect, {110} Perfect
(Zn,Fe)SMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references