Basalt has holes, stones and porous basalt (pumice), which is porous and quite hard. Therefore, mixing it into concrete can reduce the weight of concrete, but it is still firm and has the characteristics of sound insulation and heat insulation. It is a good aggregate for lightweight concrete in high-rise buildings. Pumice is also a good grinding material, which can be used to grind metals and stones. It can also be used as filters, dryers and catalysts in industry. Porous basalt stone not only improves the environment, but also conforms to the new fashion that contemporary people pursue simplicity, nature and environmental protection. Price: 88 yuan brand: Hongsheng basalt, pebble basalt and basalt have the advantages of wear resistance, low water consumption, poor electrical conductivity, strong compression resistance, low crush value, strong corrosion resistance and good asphalt adhesion, which can be said to be very good materials for the construction of expressways, railways and airport runways and a good cornerstone for the development of railway transportation and highway transportation. Processing specifications of basalt stone: 0. 1-0.3cm, 0.3-0.5cm, 0.5-1cm1.5cm, 3-6cm. Can also be processed according to the needs of users. Price: 888 Yuan Brand: Hongsheng Basalt Volcano Hexagonal Stone Hexagonal Stone is a pure natural stone, which is widely used in landscaping. It can be used to make fences, stone tables and stools, lawn lamps, vases, flower pots, garden designs and other buildings. Solid material, simple and natural style, is an excellent material for pastoral color. Price: 888 yuan