B-Ir-Mg, Boride, Mg-x polyhedra

• B-Ir-Mg-P
• B-Ir-Mg-Si
• thermal and thermodynamic properties
• electronic and electrical properties
• superconductivity
• conductivity or resistivity
• magnetic properties
• transitional
• alkaline
• boride
• metalloid
• ternary
• cubic
• monoclinic
• tetragonal
• hexagonal
• orthorhombic