Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
3.95-4.104.33-4.42
1
7.18
👆🏻
Fracture
Uneven
-
Cleavage
{110} Perfect, {110} Perfect, {110} Perfect
Perfect
Mohs Hardness
3.5-44.5
2
10
👆🏻
Chemical Composition
(Zn,Fe)SMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Ca(Nd,Ce,La) 2(CO 3) 3F 2Ulrich Henn and Claudio C.