| | Description | |
| Quality of samples: | not specified / average specimens | | Confirmation | |
| Validity: | Believed Valid | | References | |
| References: | Touret, J. & De La Roche, H. (1971): Contribution to the mineralogy of Norway , No. 45. Saphirine à Snaresund, prés de Tvedestrand (Norvége Méridionale). Norsk Geolgisk Tidsskrift 51, 170-175 |
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