The American Slate Collection captures the unique and stunning colors of nature. This collection is an ideal choice for floors, walls and backsplashes. American Slate is a fabric of nature and a design element to enhance your lifestyle. Per Wikipedia Slate is a fine-grained, foliated, homogeneous metamorphic rock derived from an original type sedimentary rock composed of clay or volcanic through low-grade regional It is the finest grained foliated metamorphic rock. Foliation may not correspond to the original sedimentary layering, but instead is in planes perpendicular to the direction of metamorphic compression.
Ember Ash Natural Cleft 2x2 Slate Mosaics