Chalcogen, Fusion, S-Si

• Cu-S-Si
• Al-H-Na-O-S-Si
• Al-Ca-Na-O-S-Si
• Ce-S-Si
• temperature for congruent melting
• chalcogen
• metalloid
• sulfide
• quaternary
• hexagonal
• monoclinic
• orthorhombic
• cubic
• tetragonal