B-C-Mg, B-x polyhedra, Structural properties

• B-C-Ca-H-Mg-O
• B-C-Mg-Ni
• B-C-Li-Mg
• Al-B-C-Ca-H-Mg-O-Si
• metalloid
• alkaline
• disordered
• borocarbide
• hexagonal
• monoclinic
• cubic
• trigonal
• tetragonal