Fe-Th, Structural properties, Th-x polyhedra

• Co-Fe-Th
• C-Fe-Th
• Fe-Ni-Th
• Ba-Ce-Fe-H-Nb-O-Th-Ti-Tl
• transitional
• radioactive
• actinoid
• intermetallic
• hexagonal
• trigonal
• tetragonal
• cubic
• orthorhombic