Lago Cignana, Valtournanche, Valle di Valtournanche, Valle d'Aosta, Italia
Mn deposit.
References
- Reinecke, T. (1989): Mg-P-Si-rich ardennite: A high-pressure phase in eclogite-facies piemontite quartzites from Cignana, Valtournanche, Western Alps. 3rd Intern. Eclogite Conf., Würzburg, Germany, April 1989, 20-21.
- Piccoli, G.C., Maletto, G., Bosio, P., Lombardo, B. (2007). Minerali del Piemonte e della Valle d'Aosta. Associazione Amici del Museo "F. Eusebio" Alba, Ed., Alba (Cuneo) 607 pp.
Mineral List
11 entries listed. 10 valid minerals.
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