porfidopedrettihasbeenworkinginthestonefieldforthreegenerations:wehaveaquarrythatwehavebeenexploitingforfortyyears,fromwhichwequarrythevallecamonicaporphyry,abrownvioletstone,theonlyoneintheworldandofourexclusiveproduction.
since2015theporfidopedretticompanyhastheexclusiverighttoaporphyryquarrysituatedinrenon,bolzano’sprovince.