… of 2.5 or more, and alabaster, whether or not roughly trimmed or merely cut, by sawing or otherwise, into blocks …
Explanatory notes
… of 2.5 or more, and alabaster, whether or not roughly trimmed or merely cut, by sawing or otherwise, into blocks … and either opaque or translucent. Marble is usually variously tinted by the presence of mineral oxides (coloured … veined marble, onyx marble, etc.), but there are pure white varieties. Travertines are varieties of calcareous stone …