… or building stone of an apparent specific gravity of 2.5 or more, and alabaster, whether or not roughly trimmed …
Explanatory notes
… 25.15 ‑ M arble, travertine, ecaussine and other calcareous … or building stone of an apparent specific gravity of 2.5 or more, and alabaster, whether or not roughly trimmed … square) shape (+). - Marble and travertine : 2515.11 - - Crude or roughly trimmed 2515.12 - - Merely cut, …