The amphibole group of minerals is characterized by the general chemical formula A0-1B2C3Si8O22(OH)2. The family consists of numerous different minerals, including:
- Anthophyllite
- Actinolite
- Tremolite
- Nephrite
- Hornblende
- Gluacophane
- Vermiculite
- Afredsonite
- Richterite
Chemical compositions of this group are similar to that of pyroxene.