Calstone 129000107 Roman Stone Tumbled Block Tan Red Charcoal - The antiqued weathered appearance of Roman Stone is a great alternative to expensive natural stone products. Roman Stone is available in seven unique blended colors designed to compliment our standard paving stone lines. Roman Stone, combined with high-performance concrete adhesive, allows structures to be built using simpler construction methods, which saves time and money. This block may be used in various applications including barbecues, fireplaces, steps, stairs, columns, fire pits, garden planters, seating walls, water features and more.