| | Description | |
| Quality of samples: | not specified / average specimens | | Confirmation | |
| Validity: | Believed Valid | | References | |
| References: | Chauris L. , Guigues J. (1969), Mémoires du BRGM N° 74, Gîtes Minéraux de la France, Volume I, Massif Armoricain, p. 60. | | Data | |
| Mineral Data: | Click here to view Cassiterite data | | Locality Data: | Click here to view Landrévélen brook alluvials, Landrévélen, Quéménéven, Chateaulin, Finistère, Brittany, France |
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