| | Description | |
| Quality of samples: | not specified / average specimens | | Confirmation | |
| Validity: | Believed Valid | | References | |
| References: | Visser, D. & Senior, A. (1991): Mg-rich dumortierite in cordierite-orthoamphibole bearing rocks from the highgrade Bamble Sector, South Norway. Mineralogical Magazine 55: 563-577 |
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