Hainan Grey Basalt(also called Lavastone) is a dark gray to light color porous magmatic rock.Hainan Grey Basalt's multiple tiny air holes create its instantly recognisable texture, excellent slip resistance and natural cooling ability,making it perfectly suited to pool deck paving, wet walkways and surfaces where bare feet abound.

Recommended Uses: Interior- exterior wall cladding, pavers, veneer, quoins, coping/caps, curbs, sills/lintels, draingrates, columns, slabs, cobblestones.

Surface Finish: Honed, Aged, Polished, Sawn Cut, Combed, Pineapple, Sanded, Rockfaced, Sandblasted, Bush-hammered, Tumbled.

There are many other names：Hainan Basalt,Hainan Grey Lavastone,Gray Andesite Hainan,Hainan Gray Basalt,blue basalt, blue stone.

We can process vary finished products customized.

Some pictures of vary finished surface as below for your reference:

Brush-hammered  and water proof:

Chiseled surface:

Sandblasted surface:

Polished surface:

Honed surface: