Argyrodite, Chalcogen, Sulfide, Phase transitions

• Ag-Ge-S
• Cu-I-P-S
• Ag-As-S
• Ag-Ga-S
• Ag-S-Sn
• phase diagram
• fusion
• temperature for congruent melting
• structural transitions
• argyrodite
• sulfide
• chalcogen
• transitional
• quaternary
• cubic
• orthorhombic