| | Description | |
| Quality of samples: | not specified / average specimens | | Confirmation | |
| Validity: | Believed Valid | | References | |
| References: | Ing Soen Oen : "Paragenetic relations of some Cu-Fe-Sn-Sulfides in the Mangualde Pegmatite, North Portugal", Mineral. Deposita (Berl.) 5, 59-84, 1970. |
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