Chalcogen, Karup moller, Tetragonal

• C217912-10
• C217911-5
• C217911-6
• C217912-9
• S1611668
• C205104-2
• C205102-2
• C205103-2
• C205077-6
• C205077-7
• C205074-3
• C205075-3
• C205075-4
• C205076-5
• C205076-6
• C205081-2
• C205082-2
• C205083-2
• C205084-2
• C205080-2