Alkaline, Ternary, Transitional, Pressure for structural transition

• O-Sr-W
• As-Ca-Fe
• Ba-O-W
• As-Ba-Fe
• Ca-O-W
• transitional
• alkaline
• ternary
• non-disordered
• chalcogen
• tetragonal
• monoclinic
• orthorhombic
• cubic
• trigonal