Ammo Terraform CORK ROCK CRUSHED BRICK MIX (100mL) AMIG8439Texture. 100ml jar High quality cork granulate product in its natural colour to represent stones and rubble on different modelling settings. Available in three different sizes, or a mix of the three sizes, to better suit each modellers needs. Ready to be used straight from the package. The crushed cork pieces can be fixed using all kind of glues, including both acrylic and cyanoacrylate adhesives.