Al-Ca-O, Chalcogen, Corundum

• C220711-6
• C406607-3
• C980226-6
• C202121
• C204117
• C204118
• C204119
• C204120
• C207161
• C207162
• C207163
• C209154
• C209155
• C209156
• C209157
• C209158
• C213110
• C213111
• C213112
• C216068
• C216069
• C217063
• C220711
• C406607
• C980226
• C300083
• C300092
• C300142
• C400010
• C400109
• C400303
• C400304
• C400689
• C400974
• C401183
• C401252
• C401430
• C401431
• C401528
• C401529
• C401530
• C401531
• C401532
• C401533
• C401592
• C401613
• C402743
• C402744
• C402745
• C402746
• C403364
• C403620
• C403621
• C403622
• C403935
• C403936
• C403937
• C403938
• C404018
• C404019
• C404020
• C404801
• C404802
• C404805
• C405201
• C405202
• C405203
• C405204
• C405205
• C405218
• C405219
• C405220
• C405221
• C405261
• C405338
• C405378
• C406203
• C406204
• C406454
• C406477
• C406478
• C406479
• C406481
• C500420
• C204117-6
• C204118-3
• C204120-4
• C207161-5
• C207163-3
• C209154-4
• C209155-7
• C209156-3
• C213110-6
• C213112-5
• C217063-4