Tenacity
Brittle
-
Solubility
Water-soluble
-
Durability
-
-
Specific Gravity
2.173.85-3.94
1
7.18
👆🏻
Fracture
Conchoidal
Conchoidal, Uneven
Cleavage
Perfect {001}, three directions cubic
{010} Good, {100} Distinct
Mohs Hardness
2.0-2.55-5.5
2
10
👆🏻
Chemical Composition
NaCl
(Mn2+ ,Fe2+ ,Mg,Ca) 2(PO 4)(F,OH)Michael OâDonoghue , Gems, Sixth Edition (2006)