Cascata Grey Marble
The background grey appears dark and even light according to surfaces the darker grey slabs have smoky whitish-grey hues this looks awesome and it's got off white wispy veins. On the lighter stones, the grey manages to keep itself low and the white stands its ground by making hues, streaks, patch-like images, etc. Primarily a building stone, it makes beautiful sinks, basins, splash walls, etc.
The stone is ornamental and you can make stone objects. Your living room or other hallways can invite this marble for a wall and a floor. Equally, your exteriors can invite them for walls and floors and for more like stone monuments pull caps, window sills, pavements, etc. Polish, tumble, sandblast the surfaces and give them sawn cut, sanded, and rock-faced surfaces as per your taste.