(Le Haut-Poirot, Gérardmer, Vosges, Lorraine, France)
Manganese-bearing quartz veins in fractures of a two-micas granite (Remiremont granite), worked by couple of small mines from 1912 to 1944.
Ref.:
- FRICKE, G. (1985): Mineralienfunde in den Vogesen. Aufschluss 36, 1-17. (in German)
- J.-L. Hohl: "Minéraux et Mines du Massif Vosgien", Editions du Rhin (Mulhouse), 1994
Mineral List:17 entries listed. 15 valid minerals.
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