BLUE ONYX is from the exclusive GMC family of ONYX Stones, derived from our unique selection of Natural stones.
 
Grani Marmo Classic proudly presents our exclusive Onyx Stones collection, a mesmerizing showcase of nature's most captivating creations. These translucent gems, sourced from prestigious quarries worldwide, exhibit a high level of luxury and sophistication. With unique illuminating looks, each slab tells a unique story of geological wonder. Elevate your space with the timeless beauty and opulence of our Onyx Stones, where every glance unveils a new facet of exquisite design and unparalleled craftsmanship.