Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
4.33-4.423.95-4.10
1
7.18
👆🏻
Fracture
-
Uneven
Cleavage
Perfect
{110} Perfect, {110} Perfect, {110} Perfect
Mohs Hardness
4.53.5-4
2
10
👆🏻
Chemical Composition
Ca(Nd,Ce,La) 2(CO 3) 3F 2Ulrich Henn and Claudio C.
(Zn,Fe)SMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references