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
Conchoidal, Conchoidal, Gemstones of the world (2001) More from other references, Uneven
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)
1.6 Cleavage
On {101}, distinct; on {112}, interrupted; on {001}, indistinct
Good on {100}
1.7 Mohs Hardness
1.8 Chemical Composition
CaWO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
(Ca,Fe,Mn,Mg) 3Al 2BSi 4O 15(OH)Walter Schumann , Gemstones of the world (2001) More from other references