Tenacity
Brittle
-
Solubility
-
-
Durability
-
-
Specific Gravity
3.87-4.144.33-4.42
1
7.18
👆🏻
Fracture
Subconchoidal, Conchoidal
-
Cleavage
Poor on {120}, in traces on {001}
Perfect
Mohs Hardness
5.5-64.5
2
10
👆🏻
Chemical Composition
TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Ca(Nd,Ce,La) 2(CO 3) 3F 2Ulrich Henn and Claudio C.