Tenacity
-
Brittle
Solubility
-
insoluble
Durability
-
-
Specific Gravity
3.07-3.133.15-3.21
1
7.18
👆🏻
Fracture
Conchoidal, Uneven
Uneven, Subconchoidal
Cleavage
{100} Perfect, {010} Distinct, {102} Distinct
Perfect prismatic, two directions {110} ∧ {1 1 0} at 87°
Mohs Hardness
3-3.56-7
2
10
👆🏻
Chemical Composition
Zn 2(Fe2+ ,Mn2+ )(PO 4) 2 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
LiAlSi2O6