- a mineral, hydrous cobalt arsenate, Co3As2O8⋅8H2O, occurring as a powdery, usually red incrustation on cobalt minerals; cobalt bloom.
- erythritol.
- a pink to purple secondary mineral consisting of hydrated cobalt arsenate in monoclinic crystalline form. Formula: Co 3 (AsO 4) 2 .8H 2 O
- another name for erythritol