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Borcola Pass Quarry (Lucchi Quarry; Prato Lorda Quarry), Borcola Pass, Posina, Vicenza Province, Veneto, Italy

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Name(s) in local language(s):Cava del Passo della Borcola (Cava Lucchi; Cava Prato Lorda), Posina, Provincia di Vicenza, Veneto, Italia

This brucite marble quarry, also known as Lucchi quarry or Prato Lorda quarry (Morandi & Perna, 1970), is located not far from the Borcoletta quarry (see http://www.mindat.org/loc-244650.html). The boundary line between Vicenza and Trento provinces runs between the two quarries.

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

Dolomite, as colourless and white rhombohedral crystals or grouped into white to pinkish saddle-like aggregates, serpentine subgroup minerals, as green, yellowish or brown veinlets and incrustations, and goethite after pyrite crystals are ubiquitary in marble. Aragonite, besides the tipical acicular crystals, sometimes apperas in coralloid forms; brucite, which normally forms white or bluish massive veins and colourless or bluish hexagonal crystals, has occasionally been found in a pinkish Mn-rich variety; giorgiosite rarely appears as white globular incrustations.

Zeolites, garnet, etc. are found in the cavities of the magmatic rocks, in which the presence of olivine and pyroxene (diopside) was already reported by Maddalena (1906).

Mineral List

24 valid minerals.

The above list contains all mineral locality references listed on mindat.org. 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 mindat.org 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.


- Maddalena, L. (1906): Osservazioni geologiche sul Vicentino e in particolare sul bacino del Posina. Boll. Soc. Geol. Ital., 25, 3, 659-743.
- 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.
- Del Caldo, A., Moro, C., Gramaccioli, C.M., Boscardin, M. (1973): Guida ai minerali. Fratelli Fabbri Editori, Milano, 208 pp.
- Boscardin, M., Girardi, A., Violati Tescari, O. (1975): Minerali del Vicentino. Club Alpino Italiano - Sezione di Vicenza, Tipolitografia I. S. G., Vicenza, 72 pp.
- Boscardin, M., De Zen, L., Zordan, A. (1989): I minerali della Val Leogra e della Val d'Astico nel Vicentino. Cassa Rurale e Artigiana di Schio, Grafiche Marcolin, Schio, 140 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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