How To Use Pyrites In A Sentence
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In all appearance it is impregnated with nitre, if not with something more mischievous: we know that mundic, or pyrites, very often contains a proportion of arsenic, mixed with sulphur, vitriol, and mercury.
Travels through France and Italy
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The chief source of the arsenic of commerce is arsenical pyrites, or mispickel, which contains about 45 per cent. of arsenic (As).
A Text-book of Assaying: For the Use of Those Connected with Mines.
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The bluffs or hills which reach the river at this place, on the south, contain allum, copperas, cobalt which had the appearance of soft isinglass, pyrites, and sandstone, the two first very pure.
History of the Expedition under the Command of Captains Lewis and Clark, Vol. I. To the Sources of the Missouri, Thence Across the Rocky Mountains and Down the River Columbia to the Pacific Ocean. Performed During the Years 1804-5-6.
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It never wrinkles like pyrites, never rusts nor tarnishes, even after centuries lyin ' underwater.
PAINT THE WIND
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They contained pyrites, carbonated iron-ore, traces of sulphuretted silver (glasserz), and grey copper-ore (fahlerz).
Travels to the Equinoctial Regions of America
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Iron is found combined with sulphur in pyrrhotine and pyrites, and together with arsenic in mispickel.
A Text-book of Assaying: For the Use of Those Connected with Mines.
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Sulphur in blende, 375 in burnt ore, 377 in chalcocite, 376 in coal, 419 in copper, 207 in copper pyrites, 376 in mispickel, 376 in pyrites, 370, 376
A Text-book of Assaying: For the Use of Those Connected with Mines.
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The lode is a large irregular one of pure arsenical pyrites carrying, in addition to gold and silver, nickel and cobalt.
Getting Gold: a practical treatise for prospectors, miners and students
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Cornishmen 'blue elvan:' this diorite, composed of felspar and the hardest hornblende, contains granular iron and pyrites like silver.
To The Gold Coast for Gold, Vol. II A Personal Narrative
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In the fossilisation process, the original organic parts of the shark's tooth are replaced by minerals such as iron pyrites and silica.
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These shistose pyrites being composed principally of coal, flint, alumina, and sulphuret of iron — the latter in excess — it was necessary to separate the sulphuret of iron, and transform it into sulphate as rapidly as possible.
The Mysterious Island
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While the large presence of silicium and aluminum-compounds improves the quality of slate, its quality is impaired by the presence of lime, pyrites and carbon in higher quantities.
1. Technical requirements for Asbestos substitutes
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I found no cavity (druse), no crystallized substance, not even rock-crystal; and no trace of pyrites, or any other metallic substance.
Travels to the Equinoctial Regions of America
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I have septaria of this kind, in which, besides pyrites, iron-ore, calcareous spar, and another that is ferruginous and compound, there is contained siliceous crystals; a case which is not so common.
Theory of the Earth~ Part 2 (historical)
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When calcined zinciferous pyrites have to be examined, the estimation of zinc is similar to that employed in the analysis of zinc ore.
Scientific American Supplement, No. 455, September 20, 1884
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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
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Iron, copper, and arsenical pyrites, antimony, galena, molybdenite, zinc blende, and wolfram were treated in the above manner with similar results.
Getting Gold: a practical treatise for prospectors, miners and students
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Pyrites often contain several nonferrous metal and noble metal elementS and be possessed of comprehensive utilization.
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In terms of finance alone, last night was the difference between digging gold or iron pyrites.
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The gold-bearing rock is a heavy ledge of brown, ferruginous mica-schist, which is impregnated with iron pyrites in a state of minute subdivision, and abounds in garnets.
The Resources of North Carolina: Its Natural Wealth, Condition, and Advantages, as Existing in 1869. Presented to the Capitalists and People of the Central and Northern States
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~ -- In assaying ores containing a large proportion of pyrites or mispickel, or both, the best plan is to take a portion and calcine so as to convert it into a product of the kind just considered.
A Text-book of Assaying: For the Use of Those Connected with Mines.
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Scientific periodicals throughout Europe published and republished accounts that, tying color to classic roles as a chemical indicator and mineralogical descriptor, linked colored substances to their use as coloring materials. 22 The influences could be subtle; an article about pyrites and vitriols might suggest new pigments and reformulated inks and dyes, if one were familiar with the role they played in those processes. 23
The Creation of Color in Eighteenth-Century Europe
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The floor of the cavern was covered with heaps of water-worn fragments of quartzose rock, containing copper pyrites, in some of which the cavities were covered by a deposit of greenish calcedony.
Narrative of a Survey of the Intertropical and Western Coasts of Australia Performed between the years 1818 and 1822 — Volume 1
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The floor of the cavern was covered with heaps of water-worn fragments of quartzoze rock containing copper pyrites, in some of which the cavities were covered by a deposit of greenish calcedony.
The History of Australian Exploration from 1788 to 1888
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The lode is a large irregular one of pure arsenical pyrites, existing in a felsite dike near the sea coast.
Scientific American Supplement, No. 841, February 13, 1892
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One gram of copper pyrites, blende, fahlerz, or mispickel, yields 7 or 8 grams of lead, whilst 1 gram of antimonite will give 6, and 1 gram of galena only
A Text-book of Assaying: For the Use of Those Connected with Mines.
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In terms of finance alone, last night was the difference between digging gold or iron pyrites.
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Temple of the Devil, near the town of Altorf in Franconia, at the foot of a mountain covered with pine and savine, in which are found large coals resembling trees of ebony; which are so far mineralized as to be heavy and compact; and so to effloresce with pyrites in some parts as to crumble to pieces; yet from other parts white ashes are produced on calcination, from which _fixed alcali_ is procured; which evinces their vegetable origin.
The Botanic Garden A Poem in Two Parts. Part 1: the Economy of Vegetation
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Among them were specimens of copper pyrites in quartz, sulphate of strontian, foliated gypsum, and numerous calcareous petrifactions.
Memoirs of 30 Years with the Indian Tribes on the American Frontiers
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Wilkinson found that when the solution of gold chloride was as strong as, say, four grains to the ounce of water, that the pyrites or other base began to decompose, and the iron sulphide changed to yellow oxide, the "gossan" of our lodes, and that though the gold was deposited, this occurred in an irregular way, and it was coated with a dark brown powdery film something like the "black gold," often found in drifts containing much ferruginous matter.
Getting Gold: a practical treatise for prospectors, miners and students
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Gilman pyrites typically have associated minerals, particularly flattened siderite rhombohedra and marmatite.
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Rather, the quartz crystals are cleanly truncated at the contacts, or they wrap themselves around the pyrites.
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Cosmical gelatinous vesicles, similar to the organic 'nostoc' (masses which have been supposed since the Middle Ages to be connected with shooting stars), and those pyrites of Sterlitamak, west of the Uralian Mountains, which are said to have constituted the interior of hailstones, * must both be classed among the mythical fables of meteorology.
COSMOS: A Sketch of the Physical Description of the Universe, Vol. 1
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The lode is a large irregular one of pure arsenical pyrites, existing in a felsite dike near the sea coast.
Scientific American Supplement, No. 841, February 13, 1892
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One gram of copper pyrites, blende, fahlerz, or mispickel, yields 7 or 8 grams of lead, whilst 1 gram of antimonite will give 6, and 1 gram of galena only
A Text-book of Assaying: For the Use of Those Connected with Mines.
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In terms of finance alone, last night was the difference between digging gold or iron pyrites.
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I was lately consulted with respect to the treatment of a pyritic ore in a very promising mine, but could not recommend the above treatment, because though the pyrites in the gangue was similar, the bulk of the lode consisted of silica, consequently there would be a great waste of power in triturating the whole of the stuff to what, with regard to much of it, would be an unnecessary degree of fineness.
Getting Gold: a practical treatise for prospectors, miners and students
