Chalcogen, Disordered, Fusion, Si, Trigonal

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