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Emerald from
Pizzo Marcio North dyke, Pizzo Marcio, Trontano, Vigezzo Valley, Ossola Valley, Verbano-Cusio-Ossola Province, Piedmont, Italy

Locality type:Dike
Classification
Species:Beryl var: Emerald
Formula:Be3Al2(Si6O18)
Confirmation
Validity:Believed Valid
References
References:Boscardin, M., Demichele, V., Mattioli, V. (1976): Lo smeraldo della Val Vigezzo. La Gemmologia, 2, 21-26; Mattioli, V. (1979 a): I minerali di Pizzo Marcio in Valle Vigezzo. Riv. Mineral. Ital., 3 [1, serie 2], 2 (2-1979), 30-36; Mattioli, V. (1979 b): Minerali Ossolani. Ed. Arti Grafiche Medesi, Milano, 268 pp.; Appiani, R., Cini, V., Gentile, P., Mattioli, V., Preite, D., Vignola, P. (1995): Val Vigezzo - I minerali delle albititi. Ed. Linea Due S.r.l., Marnate (Varese), 90 pp.; Albertini, C. (1996): Das Valle Vigezzo (Verbano-Cusio-Ossola) in Piemont, Italien. Eine klassische Mineralfundstelle in den Alpen. Mineralien-Welt, 7, 2, 16-54; Grundmann, G. (2001): Die Smaragd-Vorkommen der Welt. ExtraLapis, 21, 26-37; Guastoni, A., Diella, V., Pezzotta, F., Demartin, F. (2007): Vigezzite and associated Nb-Ta oxides of emerald pegmatitic deposits of Vigezzo Valley (Western Alps, Italy). Crystallization Processes in Granitic Pegmatites - International Meeting. Cavoli, Elba Island, Italy, 23rd-29th May 2005. Abstracts; http://www.minsocam.org/msa/Special/Pig/PIG_Articles/Elba%20Abstracts%2010%20Guastoni.pdf; Piccoli, G.C., Maletto, G., Bosio, P., Lombardo, B. (2007): Minerali del Piemonte e della Valle d'Aosta. Associazione Amici del Museo "F. Eusebio" di Alba, Ed., Alba, 607 pp.; Guastoni, A., Diella, V., Pezzotta, F. (2008): Vigezzite and associated oxides of Nb–Ta from emerald-bearing pegmatites of the Vigezzo valley, Western Alps, Italy. Canadian Mineralogist, 46, 619-633; Guastoni, A. (2012): LCT (lithium, cesium, tantalum) and NYF (niobium, yttrium, fluorine) pegmatites in the Central Alps. Proxies of exhumation history of the Alpine nappe stack in the Lepontine Dome. Ph.D. Thesis. University of Padova, Dept. of Geosciences, 159 pp.; Boscardin, M., Mattioli, V., Rocchetti, I. (2013): Minerali della Valle Vigezzo. Litotipografia Alcione, Lavis (Trento), 229 pp.
Data
Mineral Data:Click here to view Emerald data
Locality Data:Click here to view Pizzo Marcio North dyke, Pizzo Marcio, Trontano, Vigezzo Valley, Ossola Valley, Verbano-Cusio-Ossola Province, Piedmont, Italy
Nearest other occurrences of Emerald
34.2km (21.2 miles) Feldbach Valley (Fäldbach Valley), Binn Valley, Valais, Switzerland
 
Mineral and/or Locality  
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