081112 Granite, sandstone and other ornamental or building stone

08111233 Granite, crude or roughly trimmed 08111236 Granite merely cut into rectangular (including square) blocks or slabs 08111250 Sandstone 08111290 Porphyry, basalt, quartzites and other monumental or building stone, crude, roughly trimmed or merely cut (excluding calcareous monumental or building stone of a gravity >= 2.5, granite and sandstone)