underthescopeminerals: Calcite Locality:Crevoladossola quarry, Crevoladossola, Ossola Valley, Verbano-Cusio-Ossola Province, Piedmont, ItalyCollection of Giuseppe Grassi. Photo by Enrico Bonacina
underthescopeminerals: Calcite Locality:Crevoladossola quarry, Crevoladossola, Ossola Valley, Verbano-Cusio-Ossola Province, Piedmont, ItalyCollection of Giuseppe Grassi. Photo by Enrico Bonacina