Tenacity
-
Brittle
Solubility
-
-
Durability
-
-
Specific Gravity
3.07-3.133.90-4.00
1
7.18
👆🏻
Fracture
Conchoidal, Uneven
Conchoidal
Cleavage
{100} Perfect, {010} Distinct, {102} Distinct
Perfect on {001}, good on {210}, poor on {010}
Mohs Hardness
3-3.53-3.5
2
10
👆🏻
Chemical Composition
Zn 2(Fe2+ ,Mn2+ )(PO 4) 2 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
SrSO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references