Alkaline, Spinel, Carbonin

• Al-Cr-Mg-O
• Al-Cr-Fe-Mg-O
• Al-Mg-O
• Al-Fe-Mg-O
• Al-Cr-Fe-Mg-Ni-O-Si-Zn
• structural properties
• alkaline
• chalcogen
• disordered
• spinel
• cubic