Tenacity
Brittle
-
Solubility
-
-
Durability
-
-
Specific Gravity
3.98-4.044.39
1
7.18
👆🏻
Fracture
Conchoidal
Uneven
Cleavage
Imperfect, poor one {100}
{111} Indistinct, {111} Indistinct, {111} Indistinct
Mohs Hardness
4.5-57.5-8
2
10
👆🏻
Chemical Composition
Zn 2(AsO 4)(OH) · H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Fe2+ Al 2O 4Gemdat.org , Management Team (2012)