Tenacity
Brittle
Brittle
Solubility
-
-
Durability
-
-
Specific Gravity
3.19-3.235.9-6.3
1
7.18
👆🏻
Fracture
Conchoidal
Conchoidal, Uneven
Cleavage
{110} good
On {101}, distinct; on {112}, interrupted; on {001}, indistinct
Mohs Hardness
5-64.5-5
2
10
👆🏻
Chemical Composition
KNa 2Li(Fe2+ ,Mn2+ ) 2Ti 2Si 8O 24Michael OâDonoghue , Gems, Sixth Edition (2006)
CaWO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references