Pietra di Calma is a Spanish travertine with a cloudy look due to the limestone being cross-cut. This natural stone can be used both indoors and outdoors.

 Description
 Beige compact limestone (travertine) with a pronounced lined pattern. The pattern is very heterogeneous and predominantly band-shaped (horizontal and parallel; sawn perpendicular to the stratification). The surface contains small openings that may or may not be filled, depending on demand.

 Petrographic classification
 Sedimentary rock - Carbonate rock - Travertine (EN 12670).
 

 
 Origin: Spain