Black Blue Stone, commonly known as Petit Granit or Pierre Blue, is an exceptional and enduring natural stone renowned for its remarkable characteristics and rich history. This unique limestone exhibits a dark and smoky color palette with hints of charcoal gray, making it a striking and sophisticated choice for various architectural and design applications.

Quarried primarily in regions such as Fontaine l'Évêque in Hainaut and Warnant in Namur, both located in the Wallonia region of Belgium, Belgian Black Blue Stone has a geological history dating back approximately 350 million years. During this ancient period, the southern part of Belgium was submerged under the sea. In what is now Soignies, the sea's water levels were relatively low, resulting in the proliferation of crinoids, marine organisms with distinctive feathery appendages.

Over countless millennia, layers of sediment accumulated on the seabed and compressed the limestone mud. This geological process contributed to the formation of this exceptional stone. What makes Belgian Black Blue Stone truly unique is the high concentration of visible ancient fossils, including crinoids and corals, as well as calcite veins. These remnants of prehistoric marine life give the stone a captivating and storied character.

When quarried and expertly polished, the stone showcases its captivating dark and smoky coloration, which is beautifully complemented by the presence of light gray and white fossils. The occasional appearance of calcite veins adds further intrigue and uniqueness to this remarkable material.

Belgian Black Blue Stone has a long history of being used in architecture and design, both regionally and internationally. Its combination of durability, distinct coloration, and the presence of ancient fossils makes it a cherished choice for applications such as countertops, flooring, wall cladding, and various decorative elements. This stone not only exudes elegance and sophistication but also carries with it a fascinating geological story that spans millions of years.