1 Physical Properties
1.1 Tenacity
1.2 Solubility
slightly water soluble and in hot hydrochloric acid
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.00-3.253.82-3.97
1
7.18
1.6 Fracture
Subconchoidal, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references
Subconchoidal, Conchoidal, Brittle, ConchoidalArthur Thomas, Gemstones (2009)
1.7 Cleavage
Octahedral, perfect on {111}, parting on {011}
Perfect on [001] and [011]
1.8 Mohs Hardness
1.9 Chemical Composition
CaF2
TiO 2Michael OâDonoghue , Gems, Sixth edition (2006) More from other references