"Ruddle" Quotes from Famous Books
 ... by the official mining office at Trieste, was pronounced to be antimony! It was extracted from ruddle (red ochre) and limonite (brown ochre or hydrous oxide of iron): both are sesquioxides (Fe2O3) which become dark when heated and change to magnetic oxide (Fe3O4). M. Marie is probably the first who ever "ran down" iron oxide with lead. No wonder ...
— The Land of Midian, Vol. 1 • Richard Burton |
