Corundum, Disordered, Non-disordered, Monoclinic

• C223438-5
• C406607-3
• C1101976-7
• C401838-1
• C401840-1
• C406583-1
• C501165-1
• C207322-6
• C209154-4
• C209156-3
• C209306-2
• C202180-4
• C216127-4
• C216129-4
• C217063-4
• C217106-4
• C217112-4
• C217125-3
• C217129-6
• C403997-2
• C404045-3
• C204118-3
• C204120-4
• C204209-7
• C204273-4
• C204402-7
• C204403-7
• C207156-2
• C207163-3
• C219212-4