Kemmler sack, Quaternary, Transitional, Structural properties

• Ba-O-U-Y
• Ba-O-W-Y
• Ba-Co-Ir-O
• Ba-Lu-O-W
• Li-Mn-O-Ru
• chalcogen
• transitional
• quaternary
• oxide
• alkaline
• trigonal
• cubic
• hexagonal
• tetragonal
• monoclinic