Tenacity
Brittle
-
Solubility
Effervesces in hot HCl
-
Durability
-
-
Specific Gravity
2.92-3.123.85-3.94
1
7.18
👆🏻
Fracture
Conchoidal
Conchoidal, Uneven
Cleavage
[10 1 1] perfect
{010} Good, {100} Distinct
Mohs Hardness
3.5-4.55-5.5
2
10
👆🏻
Chemical Composition
MgCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
(Mn2+ ,Fe2+ ,Mg,Ca) 2(PO 4)(F,OH)Michael OâDonoghue , Gems, Sixth Edition (2006)