… Granite, porphyry, basalt, sandstone and other monumental or building stone, whether or not roughly trimmed or merely cut, by sawing or otherwise, into blocks or slabs of a rectangular (including …
Explanatory notes
… 25.16 ‑ G ranite, porphyry, basalt, sandstone and other monu-mental or building stone, whether or not roughly trimmed or merely cut, by sawing or … rock, blackish, very compact and extremely hard. The heading also includes other hard igneous rocks (e.g., …