All 3-vertex, Disordered, Temperature for congruent melting

• C-H-N-O
• Al-H-Na-O-Si
• Al-H-Mg-O-Si
• Al-Ca-H-O-Si
• Al-Na-O-Si
• disordered
• chalcogen
• transitional
• oxide
• monoclinic
• orthorhombic
• hexagonal
• trigonal
• cubic