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Strassa Valley Quarry (Quarry at the 6th km of the road Tonezza-Folgaria), Valdastico, Astico Valley, Vicenza Province, Veneto, Italy

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Name(s) in local language(s): Cava Valle Strassa (Cava al km 6 della strada Tonezza-Folgaria), Valdastico, Val d'Astico (Valdastico), Provincia di Vicenza, Veneto, Italia
Abandoned brucite marble quarry located near Tonezza del Cimone, at the 6th km of the road Tonezza-Folgaria (Fiorentini Provincial Road; Provincial Road 64), but in the municipal territory of Valdastico.

This brucite marble, commercially known as pearl grey marble, is the product of contact metamorphism, originated from Cenozoic basaltic intrusions in Late Triassic dolostone (Dolomia Principale Formation).

The quarry is particularly known for the first find of hydrotalcite reported from Vicenza province (Scaini et al., 1967), for white radiating aggregates of "thomsonite" and pinkish baryte crystals.

Mineral List

22 entries listed. 18 valid minerals.

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- Scaini G., Passaglia E., Capedri S. (1967): Hydrotalcite di Tonezza (Vicenza). Per. Mineral., 36, 95-102.
- Morandi N., Perna G. (1970): Il marmo grigio perla (marmo a brucite) nelle province di Trento, Vicenza e Verona. L'Industria Mineraria nel Trentino-Alto Adige. Vol. 3. Arti Grafiche Saturnia, Trento, 33-66.
- De Michele V. (1974): Guida mineralogica d'Italia. Istituto Geografico De Agostini, Novara, 2 vol., 408 pp.
- 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 sei tesori della nostra regione. Museo di Storia Naturale e Archeologia di Montebelluna - Treviso, Cierre Edizioni, Sommacampagna, 173-246.

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