Tenacity
-
Sectile
Solubility
-
Soluble
Durability
-
-
Specific Gravity
3.85-3.946.13
1
7.18
👆🏻
Fracture
Conchoidal, Uneven
Conchoidal
Cleavage
{010} Good, {100} Distinct
Distinct on {001} and {110}, indistinct on {100}
Mohs Hardness
5-5.52-3
2
10
👆🏻
Chemical Composition
(Mn2+ ,Fe2+ ,Mg,Ca) 2(PO 4)(F,OH)Michael OâDonoghue , Gems, Sixth Edition (2006)
Pb 2(CO 3)Cl 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references