Karadjova

• O-Rb-S
• Be-H-O-Se
• Be-H-K-O-S
• O-Rb-Se
• Ca-H-O-Rb-S
• structural properties
• phase diagram
• phase transitions
• chalcogen
• alkali
• transitional
• quinary
• hydrate
• monoclinic
• orthorhombic
• tetragonal
• triclinic
• trigonal