Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
3.95-4.101.79
1
7.18
👆🏻
Fracture
Uneven
Uneven
Cleavage
{110} Perfect, {110} Perfect, {110} Perfect
{110} Good
Mohs Hardness
3.5-42.5
2
10
👆🏻
Chemical Composition
(Zn,Fe)SMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
MgB 3O 3(OH) 5 · 5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)