Tenacity
Brittle
-
Solubility
Slowly dissolves in water
-
Durability
-
-
Specific Gravity
-99993.85-3.94
1
7.18
👆🏻
Fracture
Conchoidal
Conchoidal, Uneven
Cleavage
None
{010} Good, {100} Distinct
Mohs Hardness
3.5-45-5.5
2
10
👆🏻
Chemical Composition
K2Mg2(SO4)3
(Mn2+ ,Fe2+ ,Mg,Ca) 2(PO 4)(F,OH)Michael OâDonoghue , Gems, Sixth Edition (2006)