15-vertex frank-kasper, Orthorhombic, Phase transitions

• Gd-Ge-Si
• Cl-Rb-Zn
• Gd-Ge
• H-N-O-S
• K-O-Se
• fusion
• temperature for congruent melting
• structural transitions
• temperature for structural transition
• peritectic formation
• non-disordered
• transitional
• ternary
• disordered