Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
3.07-3.132.65-2.90
1
7.18
👆🏻
Fracture
Conchoidal, Uneven
-
Cleavage
{100} Perfect, {010} Distinct, {102} Distinct
{001} Perfect
Mohs Hardness
3-3.5-9999
2
10
👆🏻
Chemical Composition
Zn 2(Fe2+ ,Mn2+ )(PO 4) 2 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Al 2Si 4O 10(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references