Mineralogical locations
of Piedmont
by Patrizia and Massimo Deidda
Montorfano-Mergozzo (VCO)

The white granite quarries of Montorfano are located a short distance from Lake Maggiore on the slope of the Borromeo Gulf and site in the municipality of Mergozzo (VCO).

There are historical records of mining stages from 1473 until present day, the Mergozzese economy for generations, boasts excellent craftsmen of the precious granite.

Please note the ban on research and collection of minerals.



Albite – antasio – calcite – cabazite – – – fluorite gadolinite fluoride – heulandite-laumontite – metatorbernite – microcline – molybdenite-orthoclase-Parise-prehnite-riebeckite-quartz – scheelite – – – torbernite synchysite stilbite.


Thank you to the dealers of the quarries of Montorfano that allowed authors to make the photo report.


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Minerali Piemonte
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Photos and descriptions edited by
Patrizia and Massimo Deidda