Vallejo Diorama FX: Granite Grey 0,2-0,6mm (26.307)Grey granite textures that will be very useful in those fertile lands of volcanic origin, because these rocks have their origin in the Earths magma; and although you may not believe it because of their mottled shades of grey, the subject is on fire! Then, for a variety of physical reasons, this granite so well known to all (buildings, quarries, constructions, floors) comes to your hands to make your environment as real as nature itself! Grain size: 0.