| | Description | |
| Quality of samples: | not specified / average specimens | | Confirmation | |
| Validity: | Believed Valid | | References | |
| References: | Smed, Cerny & Chapman (1999): Niobian calciotantite and plumboan-stannoan cesstibtantite from the Island of Utö, Stockholm archipelago, Swden. Canadian Mineralogist, 37, 665-672. | | Data | |
| Mineral Data: | Click here to view Cesstibtantite data | | Locality Data: | Click here to view Nyköping mine, Utö Island, Haninge, Stockholm, Södermanland, Sweden |
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