Al kassem

• As-Cs-H-Na-O-W-Zn
• Cu-H-K-Na-O-Te-W
• Cu-H-K-Na-O-Se-W
• As-H-Na-O-W-Zn
• Cu-H-Na-O-Sb-W
• structural properties
• chalcogen
• multinary
• alkali
• transitional
• monoclinic
• tetragonal