Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
2.11-2.203.85-3.94
1
7.18
👆🏻
Fracture
Uneven
Conchoidal, Uneven
Cleavage
Perfect on {0001}
{010} Good, {100} Distinct
Mohs Hardness
-99995-5.5
2
10
👆🏻
Chemical Composition
Mg 6Cr 2(CO 3)(OH) 16 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
(Mn2+ ,Fe2+ ,Mg,Ca) 2(PO 4)(F,OH)Michael OâDonoghue , Gems, Sixth Edition (2006)