Tenacity
Brittle
-
Solubility
-
-
Durability
-
-
Specific Gravity
3.98-4.043.80-4.15
1
7.18
👆🏻
Fracture
Conchoidal
Uneven
Cleavage
Imperfect, poor one {100}
perfect along [010] and [100]
Mohs Hardness
4.5-53.5-4
2
10
👆🏻
Chemical Composition
Zn 2(AsO 4)(OH) · H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Cu 5(SiO 3) 4(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references