Artifact Umber is a 2" x 2" matte porcelain mosaic in the Artifact range. Visually it offers a matte face that absorbs light rather than bouncing it. Anatolia grades variation at V3, a moderate spread of tone that gives the floor real movement piece to piece. In a home it suits kitchens, entry halls and main-floor living areas. On commercial jobs it turns up in retail floors, restaurant and cafe dining rooms and hotel lobbies. On paper that means a DCOF of 0.65, at or above the 0.42 threshold ANSI sets for level interior floors expected to be walked on wet, Class 4 abrasion resistance, a slip rating of R10 and Mohs hardness 8. The body is glazed porcelain.