| | Description | |
| Quality of samples: | not specified / average specimens | | Confirmation | |
| Validity: | Believed Valid | | References | |
| References: | Brauns, R. , Die Mineralien der Niederrheinischen Vulkangebiete, Schweizerbart, Stuttgart, 1922 | | Data | |
| Mineral Data: | Click here to view Apatite-(CaF) data | | Locality Data: | Click here to view Thelenberg Mt., Niedermendig, Mendig, Laach lake volcanic complex, Eifel Mts, Rhineland-Palatinate, Germany |
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