| 单词 | iron pyrite |
| 例句 | The walls and even the floor were coated with fine bits of iron pyrite, popularly known as fool's gold due to its resemblance to the precious metal. Below a pyramid, a treasure trove sheds new light on ancient Mexican rites 2021-09-01T04:00:00Z It is technically a rock that is coated in iron pyrite, also known as 'fools gold', and if you shine this material, just like Smith did, then it turns shiny and gold. Fossil hunter finds 185M year-old ‘golden snitch’ with ancient sea creature inside 2019-11-19T05:00:00Z She became friends with Anning, 10 years her senior, who taught her about fossils, and helped her create a small personal collection including an ammonite that glittered gold with iron pyrite. Behind a lesbian furore over a famous palaeontologist lies a deeper truth | Tori Herridge and Becky Wragg Sykes 2019-03-20T04:00:00Z A variety of shale or clay slate, containing iron pyrites, the decomposition of which leads to the formation of alum, which often effloresces on the rock. Webster's Unabridged Dictionary 2012-03-24T02:00:23.513Z The specimens procured from the Cape were clay-slate, much intermixed with iron pyrites, and crossed by small veins of white quartz. Narrative of the surveying voyages of His Majesty's ships Adventure and Beagle, between the years 1826 and 1836 Volume I. - Proceedings of the First Expedition, 1826-1830 2012-02-24T03:00:32.793Z Gold and iron pyrites, therefore, need never be mistaken for each other by any man who has a piece of steel about him. Harper's New Monthly Magazine Vol. IV, No. 19, Dec 1851 2011-12-25T03:00:11.297Z There, close to the boundary of the province of Manila and district of Moron, I found a face of disintegrated quartz glittering with large crystals of iron pyrites. The Inhabitants of the Philippines 2011-11-23T03:00:21.653Z By Agricola it was a generic term in somewhat the same sense that it is still used in mineralogy, as, for instance, iron pyrite, copper pyrite, etc. De Re Metallica, Translated from the First Latin Edition of 1556 2011-11-16T03:00:21.977Z Don't you know the difference between gold and iron pyrites yet? The Pike's Peak Rush Terry in the New Gold Fields 2011-11-11T03:00:26.697Z These balls are made of small bags or purses of hide, moistened, filled with iron pyrites, or some other heavy substance, and then dried. Narrative of the surveying voyages of His Majesty's ships Adventure and Beagle, between the years 1826 and 1836 Volume I. - Proceedings of the First Expedition, 1826-1830 2012-02-24T03:00:32.793Z There are two substances which look exceedingly like gold;—copper and iron pyrites, substances familiar to most of us. Harper's New Monthly Magazine Vol. IV, No. 19, Dec 1851 2011-12-25T03:00:11.297Z The ore at the latter place is auriferous iron pyrites, called by the natives Inga. The Inhabitants of the Philippines 2011-11-23T03:00:21.653Z Prominent among these are galena and iron pyrites, the former being almost invariably gold-bearing. Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 2 "Gloss" to "Gordon, Charles George" 2011-10-31T02:00:28.703Z Where you're to blame is for having gone off on a wild-goose chase and left the claims and then been bamboozled by such nonsense as sacks full of iron pyrites. The Pike's Peak Rush Terry in the New Gold Fields 2011-11-11T03:00:26.697Z That is just what I was afraid of," said Julian; "but I reckon iron pyrites comes in lumps, don't it? The Haunted Mine 2011-10-28T02:00:23.833Z Now, iron pyrites is harder than steel, and therefore a knife will fail to scratch it. Harper's New Monthly Magazine Vol. IV, No. 19, Dec 1851 2011-12-25T03:00:11.297Z Her "tinder-box" was a little seal-skin bag of soft dry moss, and with a lump of iron pyrites and a broken file she struck fire upon it. In the Arctic Seas A Narrative of the Discovery of the Fate of Sir John Franklin and his Companions 2011-10-10T02:00:18.377Z Should there be much iron pyrites in the Lignite, it is sure, sooner or later, to decompose, when all that can be done is to throw it away. Sea-Weeds, Shells and Fossils 2011-08-20T02:00:11.557Z The washed sample is then fused in the usual way to determine the proportion of sulphur existing as iron pyrites. Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 3 "Frost" to "Fyzabad" 2011-08-15T02:00:28.473Z They were inexperienced when they first came out here, and there was nobody to tell them whether they had iron pyrites or gold. The Haunted Mine 2011-10-28T02:00:23.833Z The ore is found in detached pieces and solid masses, in beds, in red clay, accompanied by sulphate of barytes, calcareous spar, blende, iron pyrites, and quartz. Scenes and Andventures in the Semi-Alpine Region of the Ozark Mountains of Missouri and Arkansas 2011-07-10T02:00:18.883Z Their produce has gradually decreased since the 17th century, and is now unimportant, but sulphate of copper, iron pyrites, and some gold, silver, sulphur and sulphuric acid, and red ochre are also produced. Encyclopaedia Britannica, 11th Edition, Volume 10, Slice 2 "Fairbanks, Erastus" to "Fens" 2011-06-19T02:00:16.580Z It occurs principally as native gold, although usually alloyed with silver, but is frequently contained in iron pyrites. North America 2011-05-05T02:00:20.027Z Sulphur in iron pyrites also acts as a reducing agent upon litharge, and increases the apparent effect in a similar manner. Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 3 "Frost" to "Fyzabad" 2011-08-15T02:00:28.473Z That is gold," said he; "there is no iron pyrites about that. The Haunted Mine 2011-10-28T02:00:23.833Z No spars are found accompanying the ore; iron pyrite is occasionally met with, and plumbago is found in the vicinity. Scenes and Andventures in the Semi-Alpine Region of the Ozark Mountains of Missouri and Arkansas 2011-07-10T02:00:18.883Z Instead of two pieces of quartz the Eskimos use a piece of quartz and a piece of iron pyrites. Encyclopaedia Britannica, 11th Edition, Volume 10, Slice 4 "Finland" to "Fleury, Andre" 2011-03-20T02:00:30.697Z It probably is not rich enough for amalgamation, as it contains a superior bulk of iron pyrites, blende, lead and earthy matter. The South-West By a Yankee. In Two Volumes. Volume 2 2011-02-05T03:00:13.817Z In both cases the source is the same: the iron pyrites, practically always arsenical, contained in the coal or used in making the sulphuric acid. Food Poisoning "I am on hand, like a bogus coin made out of iron pyrites; you can't get rid of me." The Haunted Mine 2011-10-28T02:00:23.833Z In the marls and shales exposed on the shore we are pretty sure to see pieces of wood, black as coal, sometimes quite large logs, often partly covered with shining iron pyrites. The Geological Story of the Isle of Wight Alum is the base of pure clay, and strata of clay are often met with containing much iron pyrites. Principles of Geology or, The Modern Changes of the Earth and its Inhabitants Considered as Illustrative of Geology Calcination is only advisable for ores which contain relatively much iron pyrites and little copper pyrites. Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 3 "Convention" to "Copyright" The divisional planes often contain small films of other minerals, the commonest being calcite, gypsum and iron pyrites, but in some cases zeolitic minerals and galena have been observed. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 5 "Clervaux" to "Cockade" "Well, they brought a bag out for us to examine, and they thought it was nothing but iron pyrites," said Banta; and then he went on smoking his pipe. The Haunted Mine 2011-10-28T02:00:23.833Z I did hear of a fellow who found a lot of iron pyrites, and filled his pockets with them. Elam Storm, The Wolfer Or, The Lost Nugget Great quantities of refined arsenic have been produced at the Devon Great Consols mine, by elimination from the iron pyrites contained in the various lodes. Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 3 "Destructors" to "Diameter" The gold at Mount Morgan is obtained from a lode of decomposed iron pyrites, partly underlying a bed of quartz, and at various points cropping up to the surface. The Last Voyage to India and Australia, in the 'Sunbeam' An indication of the character of the ash of a coal is afforded by its colour, white ash coals being generally freer from sulphur than those containing iron pyrites, which yield a red ash. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 5 "Clervaux" to "Cockade" "Oh, it is gold!" exclaimed Jake, as Bob took the bag and bent over it; "it is not iron pyrites." The Haunted Mine 2011-10-28T02:00:23.833Z You can't take the gold out of a bit of ore any more than you can change iron pyrites inter the reel stuff. Rimrock Trail They are variously associated with a gangue of dolomite, calcite, quartz, iron pyrite, barite, and chert. The Economic Aspect of Geology This was followed by a wheel-lock, wound up like a clock, and having a piece of iron pyrite, and later, a piece of flint, for producing ignition. Records of Woodhall Spa and Neighbourhood Historical, Anecdotal, Physiographical, and Archaeological, with Other Matter For the purpose of obtaining fire the Esquimaux use two lumps of common iron pyrites, from which sparks are struck into a little leathern case containing moss well dried and rubbed between the hands. Journal of the Third Voyage for the Discovery of a North-West Passage Jim, I fancy, was a bit of a humbug, who had served on a whaler and was therefore not wholly unacquainted with iron pyrites. From Paris to New York by Land Not alone will all earthy and alkaline, but even metallic compounds, like iron pyrites, therein contained, be rapidly decomposed on the advent of the superheated water. A Girl's Ride in Iceland It is usually closely associated with iron pyrite in a matrix or gangue of quartz. The Economic Aspect of Geology The iron pyrites found here are not oxidized. An African Adventure Greg says that it is like compact charcoal, with particles of sulphur and iron pyrites embedded. The Book of the Damned Do not mistake the yellow iron pyrites for gold. The Western United States A Geographical Reader He is constantly testing the various tortas spread out upon the patio; to one he determines that lime must be added; to another, an opposite process must be applied by adding iron pyrites. Mexico and its Religion With Incidents of Travel in That Country During Parts of the Years 1851-52-53-54, and Historical Notices of Events Connected With Places Visited “Why isn’t it iron pyrites—the salt of iron and sulphur?” Old Gold The Cruise of the "Jason" Brig Besides the colouring principle of the lazulite, there are always more or less mica and iron pyrites, the latter a lustrous yellow bisulphide of iron, which has often been mistaken for pellets of gold. Field's Chromatography or Treatise on Colours and Pigments as Used by Artists It was an iron cannon ball, or it was a "large nodule of iron pyrites or bisulphuret of iron." The Book of the Damned The iron pyrites in the ore contains gold which cannot be separated by the crushing process and a machine called a concentrator has been invented to save this also. The Western United States A Geographical Reader The London clay is very tenacious, and near the surface is generally of a brown colour, probably owing to the decomposition of the iron pyrites which it contains. Journal of the Proceedings of the Linnean Society - Vol. 3 Zoology Suddenly the thought came to me that this was probably nothing but iron pyrites, or fool's gold, that I had heard and read of, but had never seen. The Cave of Gold A Tale of California in '49 The poor gentleman, who had a vast opinion of himself and always contradicted everybody about everything, meant that his soil contained a deal of silica, and that iron pyrites was abundant in it. Canada and the Canadians Volume I Sulphuric acid is frequently impregnated with arsenic from the iron pyrites used in preparing the acid. Aids to Forensic Medicine and Toxicology The first paper which bears the name of Wöhler dates from this period, and is upon the presence of selenium in the iron pyrites from Kraslitz. Scientific American Supplement, No. 365, December 30, 1882 With grey copper ores and the oxidised ores, iron pyrites is added. A Text-book of Assaying: For the Use of Those Connected with Mines. Several specimens containing iron pyrites were also found. The First Landing on Wrangel Island With Some Remarks on the Northern Inhabitants In all cases this water contains a certain amount of gases derived from the decomposition of various substances, but principally from the alteration of iron pyrite, which affords sulphuretted hydrogen. Outlines of the Earth's History A Popular Study in Physiography At Moldova, where we were recently, the same company have large sulphuric acid works, employing as material the iron pyrites of the old mines. Round About the Carpathians It contains a large proportion of mica, a small proportion of quartz and still less feldspar, but generally an abundance of iron pyrites in very minute crystals, which, on exposure, are decomposed. The Hudson Three Centuries of History, Romance and Invention The mispickel and copper and iron pyrites are converted into oxides by roasting, and are in great part removed by a subsequent washing. A Text-book of Assaying: For the Use of Those Connected with Mines. The ores have, besides, a small quantity of selenium and iron pyrites intimately mixed with the cinnabar. Scientific American Supplement, No. 312, December 24, 1881 An early application of the flint-and-steel principle was made by certain Esquimo tribes who obtained fire by striking a piece of quartz against a piece of iron pyrites. Artificial Light Its Influence upon Civilization The sulfuric acid is made mostly from iron pyrite and this we have been content to import, over 800,000 tons of it a year, largely from Spain, although we have an abundance at home. Creative Chemistry Descriptive of Recent Achievements in the Chemical Industries Sometimes they have petrified into iron pyrites or copper compounds, shining like gold, and then they make very noble thunderbolts indeed, heavy as lead, and capable of doing profound mischief if properly directed. Falling in Love With Other Essays on More Exact Branches of Science The meaning of this is, 120 parts by weight of iron pyrites contain 64 parts of sulphur and 56 parts of iron; and this is true whether the "parts by weight" be grains or tons. A Text-book of Assaying: For the Use of Those Connected with Mines. Its quality and composition, however, vary very considerably, and small crystals of perfectly limpid quartz, called Carrara diamonds, and iron pyrites, occasionally occur, to the annoyance of the sculptor. Roman Mosaics Or, Studies in Rome and Its Neighbourhood No considerable or fundamental vein was found, but only brass-colored earth that contained some small bits of blue metal containing iron pyrites, all of them very soft. The Philippine Islands, 1493-1898 — Volume 20 of 55 1621-1624 Explorations by early navigators, descriptions of the islands and their peoples, their history and records of the catholic missions, as related in contemporaneous books and manuscripts, showing the political, economic, commercial and religious conditions of those islands from their earliest relations with European nations to the close of the nineteenth century. For the purpose of obtaining fire, the Esquimaux use two lumps of common iron pyrites, from which sparks are struck into a little leathern case containing moss well dried and rubbed between the hands. Three Voyages for the Discovery of a Northwest Passage from the Atlantic to the Pacific, and Narrative of an Attempt to Reach the North Pole, Volume 2 The sixth case is covered with Sulphurets, chiefly of iron, these being commonly known as iron pyrites. How to See the British Museum in Four Visits One gram of iron pyrites yields about 11 grams of lead. A Text-book of Assaying: For the Use of Those Connected with Mines. The general color scheme was that of copper and iron pyrites. Final Report of the Louisiana Purchase Exposition Commission They kindled fire by striking together a piece of iron pyrites and touchwood, and never travelled without a small bag containing such materials. Pioneers in Canada It might better be characterized as a highly carbonized lignite, likely to contain much sulphur as iron pyrites, rendering them apt to spontaneous combustion and injurious to boiler plates. The Story of the Philippines and Our New Possessions, Including the Ladrones, Hawaii, Cuba and Porto Rico The Eldorado of the Orient I have his I.O.U. for the amount of my fee for assaying several specimens from his claim, said specimens being all iron pyrites. Stories by American Authors, Volume 1 The ground here consists of large beds of pipe-clay, in some places perfectly white, in others of a bluish or black colour, from the presence of iron pyrites. The Mirror of Literature, Amusement, and Instruction Volume 13, No. 363, March 28, 1829 It is made on a large scale by the oxidation of iron pyrites. The Gutenberg Webster's Unabridged Dictionary Section C Straight from the ocean's depths rose towering cliffs, shot with brown and blues and greens—withered moss and lichen and the verdigris of copper, and everywhere the rusty ocher of iron pyrites. The Land That Time Forgot While the two governments were exchanging diplomatic notes, fifteen patents were taken out in England for the extraction of sulphuric acid from the limestones, iron pyrites, and other mineral substances in which England abounds. System of Economical Contradictions; or, the Philosophy of Misery All coal contains iron pyrites, and this mineral again is contaminated with arsenic. The Project Gutenberg Encyclopedia Volume 1 of 28 A layer of iron pyrites extending from Los Llanos all the way to Sabana la Mar was believed by its discoverers to be a gold mine. Santo Domingo A Country with a Future However, the elder man was acquainted with the use of fire, which he probably obtained by striking flints on blocks of iron pyrites. English Villages The Eskimos employ for this purpose pieces of quartz and iron pyrites. Scientific American Supplement, No. 392, July 7, 1883 Copper pyrites, by its aspect from the other minerals, and from iron pyrites by its inferior hardness and less gravity. Scientific American Supplement, No. 344, August 5, 1882 The water was full of iron pyrites, and had first lined the tube with iron crystals and then filled up the whole hollow with a frosted network of the same. The Naturalist on the Thames The ore is found in a sort of chloritic slate and iron pyrites which follow the ledge all around. Scientific American Supplement, No. 363, December 16, 1882 He had not gone far before he discovered that iron pyrites was the only "gold" in that locality. Jack of the Pony Express Suddenly the idea flashed across my mind that it might be iron pyrites. History of California Other deposits are iron-stained and have the appearance of the decomposed iron pyrites which abounds in this neighbourhood. The Land of Midian — Volume 1 In other words, there existed in the neighborhood of this mountain enormous fields of nitrate of soda and of iron pyrites, which were necessary for the manufacture of melimelonite. Topsy-Turvy When tested by cyanide of potassium the gold in the ore often changes into iron pyrites. The Postmaster's Daughter Iron Pyrites.—A detector that uses a crystal of iron pyrites for its sensitive element. The Radio Amateur's Hand Book "Scientifically known as 'iron pyrites'" explained the Professor. The Pony Rider Boys in the Rockies Or, the Secret of the Lost Claim Thus he formed, for instance, pumice-stone, feldspar, mica, iron pyrites, &c. artificially. Familiar Letters on Chemistry The strata include veins of quartz, carbonate of lime, and iron pyrites; they have been dislocated by an injected mass of greenish-brown feldspathic trap. Geological Observations on South America M. Dupont picked up in the Chaleux Cave a kidney-shaped piece of iron pyrites, hollowed out in a peculiar manner, which had evidently been used to obtain the precious spark. Manners and Monuments of Prehistoric Peoples Ferron.—A detector in which iron pyrites are used as the sensitive element. The Radio Amateur's Hand Book You see them slugs I had made myself outer brass filings and iron pyrites, and used to slap 'em down on the boys for a bluff in a game of draw poker. Drift from Two Shores Hundreds of thousands of pounds weight of sulphuric acid were prepared from iron pyrites, while the high price of sulphur consequent upon the monopoly lasted. Familiar Letters on Chemistry When, in Neolithic times, men commonly bury the dead, and put some of their personal property in the grave with them, the fire-kindling apparatus we find is a flint and a piece of iron pyrites. The Story of Evolution Galena is the crystal that is generally used, for, while it is not quite as sensitive as silicon and iron pyrites, it is easier to obtain a sensitive piece. The Radio Amateur's Hand Book |
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