Alkali, Chalcogen, Disordered, Temperature for congruent melting

• Al-H-Na-O-Si
• Al-Na-O-Si
• Al-K-O-Si
• Al-H-K-O-Si
• Li-O-V
• alkali
• chalcogen
• disordered
• transitional
• monoclinic
• cubic
• orthorhombic
• trigonal
• tetragonal