Italy · Sandstone
also known as Cardoso Stone, Pietra Cardoso, Garfagnana Sandstone
A silver-grey fine sandstone (macigno) from the Garfagnana mountains of northern Tuscany. Pietra del Cardoso is valued for its uniform grey tone and natural split surface — ideal for exterior facades, garden paving, staircases, and architectural detailing where a sober, mineral aesthetic is required. A traditional Tuscan building stone with centuries of documented use.
Type-level physical facts shown. Per-lot lab values (absorption, flexural strength) confirmed at quotation.
Both are Tuscan grey stones, but Cardoso is coarser-grained and typically lighter in tone. Pietra Serena is a more compact siltstone quarried further south (Florence area); Cardoso originates in the Garfagnana valley.
Generally yes — Cardoso sandstone has been used for centuries in Apennine mountain conditions. Detailed absorption and freeze-thaw data should be confirmed with the quarry.