We offer quartzite. Quality: minor colour tonal variations exist but within the tolerance limit availability: tiles, blocks, cobbles tiles size in feet 1ft x 1ft, 2ft x 1ft, 2ft x 2ft, cut to size tiles thickness 1ft x 1ft - 10mm to 12mm with a tolerance of ±5mm 2ft x 1ft - 10mm to 14mm with a tolerance of ±5mm 2ft x 2ft - 16mm to 18mm with a tolerance of ±5mm *prices for 1feet x 1 feet tile natural finish