"Limonite" Quotes from Famous Books
 ... sulphur (iron sulphide). Under the attack of the weather it takes up oxygen, forming iron sulphate (green vitriol), a soluble compound, and insoluble hydrated iron oxide, which as a mineral is known as limonite. Several large masses of iron sulphide were placed some years ago on the lawn in front of the National Museum at Washington. The mineral changed so rapidly to green vitriol that enough of this poisonous compound ...
— The Elements of Geology • William Harmon Norton
... separation of secondary products along these and other planes of chemical weakness ("solution planes") in the crystal. The secondary products consist of mixtures of various hydrated oxides—opal, goethite, limonite, &c—and appear as microscopic inclusions filling or partly filling cavities, which have definite outlines with respect to the enclosing crystal and are known as negative crystals. It is to the reflection and ...
— Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 3 - "Destructors" to "Diameter" • Various
... assayed 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 that Colonel Ross ...
— The Land of Midian, Vol. 1 • Richard Burton |
