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Busi locality, San Rocco di Tretto (San Rocco), Tretto, Schio, Vicenza Province, Veneto, Italy

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Latitude & Longitude (WGS84): 45° 45' 15'' North , 11° 21' 31'' East
Latitude & Longitude (decimal): 45.7544444444, 11.3588805222
Name(s) in local language(s):Località Busi, San Rocco di Tretto (San Rocco), Schio, Provincia di Vicenza (Vicentino), Veneto, Italia
Other regions containing this locality:The Alps, Europe

Ancient adits in the wood to the south of San Rocco, along the left side of the valley of Rio dell'Orco. The main workings are located at 498 m a.s.l., above an abandoned "terra bianca" (kaolin) quarry.

The ore mineralisation is associated with a baryte-quartz-carbonate gangue in the Calcare di Monte Spitz formation.

Baryte appears as lamellar crystals up to 3.5 cm in association with quartz. Secondary minerals usually occur in quartz and sulphides, inside small cavities and fissures. Ag content in tetrahedrite can attain 13.46 wt.% (Ferialdi & Perissinotto, 2003).

Mineral List

21 valid minerals.

The above list contains all mineral locality references listed on This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.


Boscardin, M., Contin, A., Toniolo, E. (1994): Appunti di mineralogia vicentina. Studi e Ricerche, Associazione Amici del Museo, Museo Civico "G. Zannato", Montecchio Maggiore, 13-16.

Pegoraro, S., Orlandi, P., Boscardin, M. (1997): L'argento dei Tretti - Località: Contra' Busi ai Tretti, Schio (Vicenza). Studi e Ricerche, Associazione Amici del Museo, Museo Civico "G. Zannato", Montecchio Maggiore, 31-38.

Maini, L., Carbonin, S., Secco, L., Boscardin, M., Pegoraro, S. (2000): Minerali supergenici della zona Schio-Recoaro (Alpi Vicentine). Rivista Mineralogica Italiana, 24, 2 (2/2000), 114-117.

Ferialdi, L., Perissinotto, M.L. (2003): Le miniere di argento del Tretto (Vicenza). Opera Ipogea, 1, 3-62.

Boscardin, M., Daleffe, A., Rocchetti, I., Zordan, A. (2011): Minerali del Vicentino - Aggiornamenti, località e nuove determinazioni. Museo di Archeologia e Scienze Naturali “G. Zannato”, Montecchio Maggiore (Vicenza), 183 pp.

Zordan, A. (2014): Provincia di Vicenza. In: Zorzi, F., Boscardin, M., (eds.), Minerali del Veneto. Alla scoperta dei tesori della nostra regione. Museo di Storia Naturale e Archeologia di Montebelluna - Treviso, Cierre Edizioni, Sommacampagna, 173-246.

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