Black sand, whose English name is BlackGalaxy, is an imported high-grade stone, which belongs to a kind of granite and is produced in India.
Black sand can be divided into four types: large, medium, small and coarse. Black sand is commonly used as the threshold stone, and its thickness is < 1.5cm, which is about1.2-1.4cm.. Threshold stones pay attention to integrity, that is to say, threshold stones are generally stones, and our doors are generally around 90cm. When ceramic tiles are used as threshold stones, there are often seams, so marble is more suitable for threshold stones.
Black sand is used as the countertop and sink of kitchen cabinets, which is difficult to polish and easy to clean. It looks more upscale and generous. At present, most high-end restaurants, entertainment places and star-rated hotels in Chengdu market use black sand, and some toilets in entertainment places are all covered with black sand, which is very beautiful. Sofitel Wanda Hotel reception also uses black sand.
The radiation of black sand is not very big, in fact, there is basically no radiation in marble.