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Poggio San Vittore asbestos mine, Balangero, Lanzo Valleys, Torino Province, Piedmont, Italy

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Latitude & Longitude (WGS84): 45° 17' 33'' North , 7° 30' 50'' East
Latitude & Longitude (decimal): 45.29246,7.51382
Other regions containing this locality:The Alps, Europe
Köppen climate type:Cfb : Temperate oceanic climate
Name(s) in local language(s):Miniera di amianto di Poggio San Vittore, Balangero/Corio, Valli di Lanzo, Massiccio di Lanzo, Torino, Piemonte, Italia

Big abandoned (1990) asbestos mine on the municipal territories of Balangero and Corio, 30 km N of Turin, in a satellite body of the Lanzo ultramafic massif. Mineral collecting is now forbidden.

The Balangero serpentinite body (~7 km2) is a satellite of the Lanzo ultramafic massif also in tectonic contact with the Sesia-Lanzo Zone and at present level of exposure is separated from the Lanzo Massif by a band of Quaternary terrains several kilometres wide. It manly consists of antigorite serpentinite with relics of the original mantle peridotite. In the Balangero serpentinite body operated the famous Poggio San Vittore asbestos mine, which is the type locality for balangeroite.

Mineral List

91 valid minerals. 1 (TL) - type locality of valid minerals.

Regional Geology

This geological map and associated information on rock units at or nearby to the coordinates given for this locality is based on relatively small scale geological maps provided by various national Geological Surveys. This does not necessarily represent the complete geology at this locality but it gives a background for the region in which it is found.

Click on geological units on the map for more information. Click here to view full-screen map on

252.17 - 541 Ma

ID: 1382151
Paleozoic intrusive and metamorphic terranes

Age: Paleozoic (252.17 - 541 Ma)

Comments: Mixtures of metamorphic and intrusive or plutonic rocks, tracts known as crystalline, migmatitic terranes, moderately to highly metamorphosed rocks of unknown origin with or without intrusions. This classification is inherently prone to variable interpretation, as other compilers might distinguish some packages by their metamorphic or gneissic protoliths, and the associated age ranges may be more variable.

Lithology: Intrusive and metamorphic terranes

Reference: Geological Survey of Canada. Generalized geological map of the world and linked databases. doi:10.4095/195142. Open File 2915d. [18]

Data and map coding provided by, used under Creative Commons Attribution 4.0 License

This page 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.


- Dal Piaz, G.V. (1969): Filoni rodingitici e zone di reazione a bassa temperatura al contatto tettonico tra serpentine e rocce incassanti nelle Alpi Occidentali italiane. Rend. Soc. Ital. Min. Petr., 25, 261-315.
- Zucchetti, S. (1970): Ferro-nichel nativo ed altri minerali nicheliferi in serpentiniti anche asbestifere delle Alpi Occidentali. Rend. Soc. Ital. Min. Petr., 26, 377-397.
- Del Caldo, A., Moro, C.,Gramaccioli, C.M., Boscardin, M. (1973): Guida ai minerali. Fratelli Fabbri Editori, Milano, 208 pp.
- Compagnoni, R., Ferraris, G., Fiora, L. (1983): Balangeroite, a new fibrous silicate related to gageite from Balangero, Italy. Am. Mineral., 68, 214-219.
- Rossetti, P., and Zucchetti, S. (1988): Early-alpine ore parageneses in the serpentinites from the Balangero asbestos mine and Lanzo Massif (Internal Western Alps). Rend. Soc. Ital. Min. Petr., 43, 139-149.
- Belluso, E., and Ferraris, G. (1991): New data on balangeroite and carlosturanite from Alpine serpentinites. European Journal of Mineralogy, 3, 559-566.
- Castelli, D., Rolfo, F., Rossetti, P. (1995): Petrology of ore-bearing rodingite veins from the Balangero asbestos mine (Western Alps). In: Lombardo, B. (Ed.), “Studies on metamorphic rocks and minerals in the western Alps. A Volume in Memory of Ugo Pognante”, Boll. Museo Reg. Sci. Nat. Torino, suppl. Vol. 13, 2, 153-189.
- Prete, R. (1995): L'amiantifera di S. Vittore, Balangero, Torino. Rivista Mineralogica Italiana, 4/1995, 313-333.
- Groppo, C., Gula, A., Compagnoni, R., Ferraris, G. (2004): Balangeroite from the Lanzo Massif (Western Alps) revisited: fibrous vs. prismatic morphology and genetic considerations. 32nd Int. Geol. Congress - Florence, 20-28 August 2004, Abstract Vol., 249.
- Groppo, C., and Compagnoni, R. (2007): Metamorphic veins from the serpentinites of the Piemonte Zone, western Alps, Italy: a review. Per. Mineral., 76, 127-153.
- 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.

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