Margo Onyx Blue is a deep blue polished glazed porcelain tile in 80x80 CM, with a marble look from the Margo Onyx collection. Bright white veins web across a layered blue ground with darker blue pools, and a few small rust-orange streaks add warmth near one edge. The colour comes in 60x60, 60x120, 30x60 and 80x80 CM; Margo Onyx Natural, Margo Onyx Aqua and Margo Onyx Silver are the other colours in the collection. Specs for choosing: water absorption < 0.05% (ISO-10545-3), breaking strength > 1800 N (ISO-10545-4), glossiness > 92 GU (gloss meter 60°), Mohs hardness 5 (EN 101), stain resistance Class 5 (ISO-10545-14) and reaction to fire Class A1 - A1 fl.