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Switzerland | |
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| Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): "Mineralienlexikon der Schweiz", Wepf (Basel), p. 208. |
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| Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): "Mineralienlexikon der Schweiz", Wepf (Basel), p. 208. |
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| Gramaccioli, C.M. (1978) Die Mineralien der Alpen. Franckh'sche Verlagshandlung, Stuttgart, 2 volumes, 560 pages.
Gramaccioli, C.M. (1975) Minerali alpini e prealpini. Istituto Italiano Edizioni Atlas, Bergamo, 2 volumes, 472 pages |
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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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| Lapis 29(9):33-34 (2004) |
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| Geri Meier phot & specimen |
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| King, Van (n.d.) Personal communcation. |
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| Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): "Mineralienlexikon der Schweiz", Verlag Wepf & Co. (Basel), p. 68 |
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| Rock Currier |
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| Collection of RJ Martin correlated to similar exposures. |
Fibbia, Fontana, Airolo, Leventina, Ticino, Switzerland