Tenacity
-
Brittle
Solubility
-
Effervesces in cold
Durability
-
-
Specific Gravity
3.85-3.944-4.2
1
7.18
👆🏻
Fracture
Conchoidal, Uneven
Splintery
Cleavage
{010} Good, {100} Distinct
Perfect on {100} and {010}
Mohs Hardness
5-5.54
2
10
👆🏻
Chemical Composition
(Mn2+ ,Fe2+ ,Mg,Ca) 2(PO 4)(F,OH)Michael OâDonoghue , Gems, Sixth Edition (2006)
CuZn(CO3)(OH)2