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 in three directions
1.7 Mohs Hardness
1.8 Chemical Composition
CaWO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
K(Ca,Na) 2Si 4O 10(OH,F) · H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references