Cr-Cu, Quaternary, Spinel, Structural properties

• Cr-Cu-Mg-O
• Cr-Cu-Fe-S
• Cr-Cu-In-Se
• Cr-Cu-Fe-O
• Co-Cr-Cu-S
• transitional
• quaternary
• chalcogen
• spinel
• cubic
• tetragonal
• orthorhombic