B-Mg, Critical magnetic field, Mg-x polyhedra

• Al-B-Mg
• B-C-Mg
• B-Ir-Mg
• B-Mg-Mn
• upper critical magnetic field
• lower critical magnetic field
• upper critical magnetic field anisotropy
• irreversibility field
• superconductor
• metalloid
• alkaline
• conductor
• metal
• hexagonal
• cubic