- a mineral, hydrous nickel arsenate, Ni3As2O8⋅8H2O, occurring in apple-green masses and isomorphous with erythrite.
- a rare green secondary mineral consisting of hydrated nickel arsenate in monoclinic crystalline form. Formula: Ni 3 (AsO 4) 2 .8H 2 O
Annabergite (noun) Definition, Meaning & Examples
