The name amphibole (Greek "amfibolos", "ambiguous") was used by RJ Haüy to include tremolite, actinolite, and hornblende; this term has since been applied to the whole group.
The name amphibole (Greek "amfibolos", "ambiguous") was used by RJ Haüy. This was to include tremolite, actinolite, and hornblende. This term has since been applied to the whole group.