Black Basalt floor tile 1. Black, Grey basalt, lava stone 2. various finishes 3. cheap price ... fabricating calibrated Basalt and Lava Stone tiles, we can provide black, grey etc in Chinese origin colors: 1. Size: 12x12, 16x16 ... , 18x18, 24x24 (300x300, 400x400, 600x600 etc.)2. Finish: polished, honed, cloth, Chiseled etc. 3. Packing: wooden crates. Welcome ...