"Apatite" Quotes from Famous Books
 ... determined by Professor A. von Lasaulx, from specimens taken from the oldest (voraetnaeischen) sheets of lava down to those of the present day, indicates a rock of remarkable uniformity of composition, in which the components are plagioclase felspar, augite, olivine, magnetite, and sometimes apatite; but of leucite we have no trace.[9] In fact, the lavas of Etna are very much the same in composition as the ordinary basalts of the British Isles, while those of Vesuvius are of a different type. This seems to suggest ...
— Volcanoes: Past and Present • Edward Hull
... man and animals their value in agriculture, we should not need the latter. It is quite indifferent for our purpose whether we supply the ammonia (the source of nitrogen) in the form of urine, or in that of a salt derived from coal-tar; whether we derive the phosphate of lime from bones, apatite, or fossil ...
— Familiar Letters of Chemistry • Justus Liebig |
