Our quarries have local special stone sources in Hainan,including Micro hole basalt(black),Micro hole basalt(light grey) and Lava stone.Products made from these materials have a very pleasing appearance.These products are very popular with our customers. Micro-hole Basalt(black) is a really popular stone.Its density is about 2600kg/m3,and its flexural strength and compressive strength is much higher than many alternative materials,it can be processed into large slabs up to 200cm length.Products made from this material have a natural look and a pleasing black color. (1)Finish:Sawn,Honed,Polished,Bush-hammered,Sandblasted ect. (2)Dimensions:According to customers requirement. (3)Packing:Standard export wooden crates with foam inside. (4)Material:Micro hole basalt(black) (5)Delivery Time:Up to the quantity. (6)Shipping Port:Haikou,China Warmly welcome you to contact with us.