Chalcogen, Disordered, Silicate, Fusion, Si, Trigonal

• Al-N-Nd-O-Si
• Al-H-Na-O-Si
• Al-Ca-O-Si
• Al-H-Mg-O-Si
• Ca-Na-O-Si
• temperature for congruent melting
• silicate
• disordered
• chalcogen
• metalloid