Metalloid, Rare earth, R32

• B-Fe-Nd-O
• B-Fe-Gd-Nd-O
• B-Fe-O-Tb
• Al-B-Ho-O
• Al-B-O-Yb
• structural properties
• magnetic properties
• optical properties
• Curie-Weiss paramagnetism
• electronic and electrical properties
• chalcogen
• metalloid
• rare earth
• lanthanoid
• transitional
• trigonal