| | Description | |
| Quality of samples: | not specified / average specimens | | Rarity at site: | Extremely common | | Confirmation | |
| Validity: | Believed Valid | | References | |
| References: | Raade, G. (1969): Contribution to the Mineralogy of Norway, No 40. Cavity minerals from the permian biotite granite at Nedre Eiker Church. Norsk Geologisk Tidskrift 49, 227-239. |
|