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Switzerland | |
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| Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): "Mineralienlexikon der Schweiz", Verlag Wepf & Co. (Basel), p. 100
Toroni, Aldo (1983) Scinfüs und Val Canaria [Scinfüs and Val Canaria]. Lapis, 8 (2) 25-27 |
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| www.mineralienatlas.de (n.d.) https://www.mineralienatlas.de/lexikon/index.php/Schweiz/Tessin%2C%20Kanton/Leventina%2C%20Bezirk/Airolo%2C%20Kreis/Airolo/Monte%20Prosa |
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| Geri Meier phot0 & specimen |
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| Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): "Mineralienlexikon der Schweiz", Verlag Wepf & Co. (Basel), p. 100 |
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| Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): "Mineralienlexikon der Schweiz", Wepf (Basel), p. 192. |
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| Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): "Mineralienlexikon der Schweiz", Verlag Wepf & Co. (Basel), p. 49 |
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| Taddei, C. (1937) Dalle Alpi Lepontine al Ceneri. Note di geo-mineralogia. Istituto Editoriale Ticinese, Bellinzona, 182 pages. |
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| Steiger, Elio (1982) Skapolith vom Tremorgio [Scapolite from Tremorgio]. Lapis, 7 (7-8) 47 |
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| Stalder, H. A., Wagner, A., Graeser, S., and Stuker, P. (1998) Mineralienlexikon der Schweiz. Verlag Wepf & Co. AG, Basel, page 49. |
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| Taddei, C. (1937) Dalle Lepontine al Ceneri. Note di geo-mineralogia. Istituto Editoriale Ticinese, Bellinzona, 182 pp. |
St Gotthard pass road tunnel, St Gotthard pass area, Airolo, Leventina, Ticino, Switzerland