(Tongrube, Lommiswil, Solothurn, Schweiz (Suisse; Svizzera))
References:
Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): "Mineralienlexikon der Schweiz", Wepf (Basel), p. 379.
Mineral List:1 entry listed. 1 valid mineral.
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