Cristobalite, Metalloid, Mg-O-Si

• C221703-3
• C203176
• C205316
• C205317
• C205318
• C205319
• C205321
• C208170
• C208171
• C208172
• C208173
• C210283
• C213994
• C216851
• C217851
• C221703
• C300627
• C300628
• C300652
• C301180
• C301184
• C301185
• C301186
• C301190
• C301434
• C301435
• C400417
• C400690
• C400691
• C401601
• C402345
• C402348
• C402349
• C402350
• C402678
• C403565
• C403566
• C404454
• C405279
• C405317
• C405530
• C405662
• C406202
• C406582
• C500472
• C501093
• C600861
• C205317-3
• C205319-2
• C208170-2
• C208171-1
• C208172-1
• C213994-1
• C217851-2