Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
3.843.95-4.10
1
7.18
👆🏻
Fracture
Subconchoidal, Conchoidal
Uneven
Cleavage
{0001} good, {10 1 0} parting
{110} Perfect, {110} Perfect, {110} Perfect
Mohs Hardness
7.5-83.5-4
2
10
👆🏻
Chemical Composition
(Ca,Ce)(Al,Ti,Mg)12O19
(Zn,Fe)SMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references