Original description: ‘ferroactinolite’ Sundius, N., 1946. The classification of the hornblendes and the solid solution relations in the amphibole group — Sveriges Geologiska Undersökning 40 (4): 7 [view in ‘Library’].
Type locality: unknown.
Type material: unknown.
Etymology: named for its similarity to actinolite.
Distribution: probably widespread, but many locality references lack qualifying chemical analyses (Anthony et al., 2001—2005).