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
Subconchoidal, Conchoidal, Brittle
Conchoidal, Conchoidal, Gemstones of the world (2001) More from other references, Uneven
1.6 Cleavage
Fair on {100}, poor on {001} and {010}
On {101}, distinct; on {112}, interrupted; on {001}, indistinct
1.7 Mohs Hardness
1.8 Chemical Composition
Mg2Al4Si5O18
CaWO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references