Chalcogen, Cuprite, Transitional, Monoclinic

• C221348-8
• C502624-1
• C900872-2
• C902299-1
• C903107-2
• C100126-2
• C100129-2
• C200020-3
• C200888-2
• C202379-5
• C202907-2
• C204527-6
• C204811-2
• C205034-3
• C205063-1
• C102076-2
• C1500088-2
• C2002117-2
• C209911-1
• C213830-2
• C213833-1
• C213834-1
• C216540-3
• C217037-2
• C217594-2
• C207875-1
• C209194-4
• C209882-3