(Tunnel routier de Martigny, Mont Chemin, Martigny, Valais (Wallis), Suisse (Schweiz; Svizzera))
Ref.:
Graeser S., Reuse G. (2005): Minéraux provenant du tunnel routier de Martigny. Le Cristallier Suisse 1, 23-32. (in French).
Mineral List:48 entries listed. 43 valid minerals.
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