Black Basalt Granite – 10-20mm

The Ultimate Contemporary Stone for Sophisticated Landscaping Our 20mm Black Basalt—often known in the trade as “Black Granite”—is a premium volcanic rock that offers one of the most dramatic and modern finishes of any decorative aggregate. Sourced for its incredible durability and deep, rich tones, it is the perfect choice for homeowners looking to create a sharp, high-end look for their driveway, pathways, or garden borders. A Dynamic Monochrome Transformation Black Basalt is famous for its striking reaction to moisture. Like a “chameleon” stone, it provides two distinct looks depending on the weather: When Dry: The chippings present a sophisticated, muted charcoal-grey finish. This lighter tone is perfect for creating a soft, contemporary backdrop that doesn’t overwhelm the garden. When Wet: Once it rains or is hosed down, the stone undergoes a total transformation, turning into a deep, glossy jet-black. This “wow factor” makes it a favorite for rainy climates, as the garden actually looks more vibrant and polished in wet conditions. Key Features & Benefits: Naturally Hard-Wearing: Forged from ancient volcanic lava, basalt is exceptionally strong. It is resistant to crushing, wear, and the elements, making it a long-term investment for any property. Angular for Maximum Stability: The sharp, angular edges of these 20mm chippings allow the stones to interlock under pressure. Unlike rounded pebbles, they create a firm, stable surface that won’t “roll” when walked or driven upon. Resistant to Moss & Algae: One of the unique properties of basalt is its natural resistance to organic growth. It stays cleaner for longer compared to softer stones, requiring very little maintenance to keep its sharp appearance. Fish & Aquatic Safe: This stone is pH neutral and chemically inert. It is 100% fish-friendly, making it the ideal decorative finish for the base of ponds, streams, and water features. Natural Security Feature: The loud, crisp “crunch” of 20mm basalt underfoot acts as a natural intruder alarm for your home, providing peace of mind as well as aesthetic beauty.