Complex sentence: 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.
Split into simpler sentences: The name amphibole (Greek "αμφιβολος/amfibolos" meaning'ambiguous') was used by RJ Haüy to include tremolite, actinolite and hornblende. This term has since been applied to the whole group.