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Manganese   Listen
noun
Manganese  n.  (Chem.) An element obtained by reduction of its oxide, as a hard, grayish white metal, fusible with difficulty (melting point 1244° C), but easily oxidized. Its ores occur abundantly in nature as the minerals pyrolusite, manganite, etc. Symbol Mn. Atomic number 25; Atomic weight 54.938 (C=12.011). Note: An alloy of manganese with iron (called ferromanganese) is used to increase the density and hardness of steel.
Black oxide of manganese, Manganese dioxide or Manganese peroxide, or Black manganese (Chem.), a heavy black powder MnO2, occurring native as the mineral pyrolusite, and valuable as a strong oxidizer; called also familiarly manganese. It colors glass violet, and is used as a decolorizer to remove the green tint of impure glass.






Collaborative International Dictionary of English 0.48








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"Manganese" Quotes from Famous Books



... glass to have been nearly identical with our own; but it contains, besides silex, lime, alumina, and soda, a relatively large proportion of extraneous substances, as copper, oxide of iron, and oxide of manganese, which they apparently knew not how to eliminate. Hence Egyptian glass is scarcely ever colourless, but inclines to an uncertain shade of yellow or green. Some ill-made pieces are so utterly decomposed that they ...
— Manual Of Egyptian Archaeology And Guide To The Study Of Antiquities In Egypt • Gaston Camille Charles Maspero

... along the sides. On the white surface of these, glazed over with a preserving film of stalactite, we at once notice the outlines of many hands. Most of them left hands, showing that the Aurignacians tended to be right-handed, like ourselves, and dusted on the paint, black manganese or red ochre, between the outspread fingers in just way that we, too, would find convenient. Curiously enough, this practice of stencilling hands upon the walls of caves is in vogue amongst the Australian natives; though unfortunately, they ...
— Anthropology • Robert Marett

... earth. The acid constantly neutralised by the ammonia of the crude gas is as constantly replaced by fresh acid formed by the oxidation of the sulphuretted hydrogen; and this free acid, acting upon the permanganate, liberates manganese peroxide, which is claimed to destroy the phosphorus and sulphur compounds ...
— Acetylene, The Principles Of Its Generation And Use • F. H. Leeds and W. J. Atkinson Butterfield

... commercially valuable include gold (found in small quantities), silver, graphite, galena, pyrite, marcasite, chalcosine, sphalerite, chalcopyrite, bornite, cuprite, hematite, limonite, ochre, chromite, magnetite, azurite, manganese, malachite, gypsum, &c. The combustibles are anthracitiferous coal, coal, "brown coal" and lignite. The lignite mines opened by the government at Pernik in 1891 yielded in 1904 142,000 tons. Coal beds have been discovered at Trevna ...
— Encyclopaedia Britannica, 11th Edition, Volume 4, Part 4 - "Bulgaria" to "Calgary" • Various

... stopped until he reached his destination, the place where the last piece to the puzzle could be found, the answer to the question that was burning through his mind. Shells were made of steel and chemicals. The tools that made them were also made of steel. Not manganese. Not copper. Not electron relays, nor plastic, nor ...
— Bear Trap • Alan Edward Nourse

... steel production, mining (coal, iron ore, lead, zinc, manganese, and bauxite), manufacturing (vehicle assembly, textiles, tobacco products, wooden furniture, 40% of former Yugoslavia's armaments including tank and aircraft assembly, domestic appliances), ...
— The 1995 CIA World Factbook • United States Central Intelligence Agency

... which would be most trying to a poet's measures. I don't wish to say a word against so respectable a science, far be that from me. True, in the august presence of rhombohedral crystals, retinasphaltic resins, gehlenites, Fassaites, molybdenites, tungstates of manganese, and titanite of zirconium, why, the most facile of tongues may make a slip ...
— A Journey to the Interior of the Earth • Jules Verne

... ore, lead, zinc, manganese, bauxite, vehicle assembly, textiles, tobacco products, wooden furniture, tank and aircraft ...
— The 2007 CIA World Factbook • United States

... probable that the solutions permeating these buried logs were thus alkaline, and as the logs gradually decayed their organic matter was replaced, molecule by molecule, by silica. The brilliant red and other colors are due to the small amount of iron and manganese deposited together with the silica, and super-oxydized as the trunks are exposed to the air. The most brilliant colors are therefore to be found on ...
— The Book of the National Parks • Robert Sterling Yard

... mineral resources of the region are the oil wells; here, in fact, around Batum, are situated some of the most important oil fields in the world. Of manganese ore, an essential of the steel industry, the Caucasus furnishes half of the world's supply, which is exported from the two ports of Poti and Batum. Its mineral wealth seems to be practically unlimited, copper, ...
— The Story of the Great War, Volume III (of 12) - The War Begins, Invasion of Belgium, Battle of the Marne • Francis J. Reynolds, Allen L. Churchill, and Francis Trevelyan

... yellow marbles are found near Corte and Bastia. But of metalliferous rocks and deposits the island cannot boast; a few iron mines, that of Olmeta in particular, one of copper, another of antimony, and one of manganese, form the scanty catalogue. It is to the island of Elba that we ...
— Rambles in the Islands of Corsica and Sardinia - with Notices of their History, Antiquities, and Present Condition. • Thomas Forester

... different thicknesses, from that of a shilling to two or three feet; and the strata dip to the westward, about 15 deg.. On breaking some pieces out of the cliffs, I found them curiously marked with the representation of flowers and trees, owing, as I am told, to manganese or iron ore inserting itself partially into the fissures. The layers are of a reddish colour, resembling flat tiles, and might, I conceive, be used as such, almost without any preparation; there are enough of them to ...
— A Voyage to Terra Australis Volume 2 • Matthew Flinders

... products of the Tavistock district are various, and besides tin and copper, ores of zinc and iron are largely distributed. 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. Manganese occurs in the neighbourhood of Exeter, in the valley of the Teign and in N. Devon; but the most profitable mines, which are shallow, are, like those of tin and copper, ...
— Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 3 - "Destructors" to "Diameter" • Various

... normal strength when allowed to rest, and hence it is useful for working electric bells and telephones. As shown in figure 16, it consists of a zinc rod with its connecting wire Z, and a carbon plate C with its binding screw, between two cakes M M of a mixture of black oxide of manganese, sulphur, and carbon, plunged in a solution of sal-ammoniac. The oxide of manganese relieves the carbon plate of its hydrogen. The strength of the solution is maintained by spare crystals of sal-ammoniac lying on the bottom ...
— The Story Of Electricity • John Munro

... no time in applying himself with renewed energy to mineralogical work. It was announced in the Scots Magazine for October 1791 that he had discovered in the extreme north of Scotland, where he had been invited to search for minerals, copper, lead, iron, manganese, and other valuable products of a similar character. From Sutherland he brought specimens of the finest clay, and reported a fine vein of heavy spar and "every symptom of coal." But in Caithness lay the loadstone which had brought Raspe to Scotland. This was no other than Sir ...
— The Surprising Adventures of Baron Munchausen • Rudolph Erich Raspe

... much," he answered, blowing at his tea to cool it. "It's not like coal or manganese. Gold is where you find it. ...
— Guns of the Gods • Talbot Mundy

... several instances of remarkable similarity of properties. Thus there is a strong resemblance between platinum and iridium; bromine and iodine; iron, manganese, and magnesium; cobalt and nickel; phosphorus and arsenic; but this resemblance consists mainly in their forming isomorphous compounds in which these elements exist in the same relative proportion. These compounds are similar, because the atoms of which they are composed are arranged in ...
— Familiar Letters of Chemistry • Justus Liebig

... certain processes of decomposition, a series of most remarkable products, which have much analogy with those derived from uric acid in similar circumstances. The infusion of tea differs from that of coffee, by containing iron and manganese. We have in tea, of many kinds, a beverage which contains the active constituents of the most powerful mineral springs, and, however small the amount of iron may be which we daily take in this form, it cannot be destitute of ...
— The Book of Household Management • Mrs. Isabella Beeton

... classified by physiological chemistry as the elements of organic life. In the composition of vital tissues we constantly find these basal elements: Carbon, oxygen, hydrogen, nitrogen, sulphur, phosphorus, chlorine, potassium, sodium, magnesium, calcium, iron, manganese, fluorine, silicon, and iodine. The function of these elements will be discussed ...
— Valere Aude - Dare to Be Healthy, Or, The Light of Physical Regeneration • Louis Dechmann

... is then added to the ethereal solution, forming bromide of potassium and bromate of potash. This solution is evaporated to dryness, and the salts being collected are heated in a glass retort with sulphuric acid and a little oxide of manganese. The bromine is distilled, and is condensed in a cooled receiver, into ...
— American Handbook of the Daguerrotype • Samuel D. Humphrey

... 93. In a test tube mix about one half teaspoonful each of white potassium chlorate crystals and black grains of manganese dioxid. Put a piece of glass tubing through a cork so that the tubing will stick down a little way into the test tube. Do not put the glass tubing through the cork while the cork is in the test tube: insert ...
— Common Science • Carleton W. Washburne

... components, their oxides, and basic zinc sulphate, and transfers cadmium and lead oxide, also lead, magnesium, and lime sulphate, into insoluble carbonates. Iron and manganese, when present as protoxide, are dissolved; of iron sesquioxide but traces, and of cadmium oxide in statu nascendi a small portion enter into solution. The solution of ammonium carbonate contains in each 10 c.c. 1 grm. ammonia, which ...
— Scientific American Supplement, No. 455, September 20, 1884 • Various

... quantity of manganese in Brazil sold it to a Philadelphia firm for delivery to the United States Steel Company. The German Government in some way learned of this and the Dane was arrested and put in jail. His Minister had great difficulty ...
— My Four Years in Germany • James W. Gerard

... From the acid solution, hydrogen sulphide precipitates copper, lead, and mercury, dark; arsenic, antimony, and tin, yellowish. If no precipitate, add ammonia and ammonium sulphide, iron, black, zinc, white, chromium, green, manganese, pink. The residue of the material after digestion with hydrochloric acid and potassium chlorate may have to be examined for silver, lead, ...
— Aids to Forensic Medicine and Toxicology • W. G. Aitchison Robertson

... entered than in common flint glass, and therefore incapable of being affected by any articles of food contained or prepared in such vessels. With these materials, either in their natural white or variously coloured—black by manganese, blue by cobalt, brown and buff by iron—he produced imitations of the Etruscan vases, and of various other works of ancient art, such as the world had never before seen—such as no subsequent artist has ever attempted ...
— The Mirror of Literature, Amusement, and Instruction - Vol. 19, Issue 550, June 2, 1832 • Various

... the former to one of the latter. Besides this metallic alloy (to which, for brevity, I shall, in the remarks I have to make, give its common designation of gold), the quartz lodes contain sulphide of silver, peroxide of manganese, peroxide of iron, sulphides of iron and copper, and occasionally ...
— The Naturalist in Nicaragua • Thomas Belt

... company who made an enormous profit out of it. I went down it, and, under the guidance of some Cornish miners, I had a try with a pick and succeeded in getting out several nuggets as thick as my little finger. As the vein was principally manganese, we were black all over when we came out of the mine, but a body of negresses came at once to wash us. Another expedition I made into the "camp" initiated me into a sort of sport which was new to me—hunting wild horses ...
— Memoirs • Prince De Joinville

... the Copal varnishes: first of all, a high grade oil is boiled at a high temperature, with different materials to oxidize it; for instance, red lead or oxide of manganese. The heat throws off the oxygen from the red lead or manganese. The oxygen is absorbed by the linseed oil, which is then put away to settle and age. When a batch of varnish is made, the gums are melted ...
— Handwork in Wood • William Noyes

... not the only substance employed. At Chatelperron, were picked up fragments of manganese; at Cueva de Rocca, near Valentia, pieces of cinnabar; in the Placard Cave, bits of black lead; and in the different stations in the Pyrenees, especially in that of Aurensan, ochre has been found which was doubtless used for the same purpose. At ...
— Manners and Monuments of Prehistoric Peoples • The Marquis de Nadaillac

... Chapter,[50] the substances which have been found in the ash of plants are the following: potash, lime, magnesia, oxide of iron, phosphoric acid, sulphuric acid, soda, silica, chlorine, oxide of manganese, lithia, rubidia, alumina, oxide of copper, bromine, and iodine. The general presence of some of these substances is doubtful; the presence of others, again, probably purely accidental; while some are only found in plants of a special nature, as, for instance, ...
— Manures and the principles of manuring • Charles Morton Aikman

... poisonous. Arsenious acid, quick inflection: poisonous. Iron chloride, slow inflection: probably poisonous. : Manganese chloride. Chromic acid, quick inflection: highly poisonous. Copper chloride, rather slow in flection: poisonous. : Cobalt chloride. Nickel chloride, rapid inflection: probably poisonous. Platinum chloride, rapid inflection: poisonous. ...
— Insectivorous Plants • Charles Darwin

... previously to the application of the metal cyanic, mellonic or other toning baths. Alkalies and alkaline carbonates may also be used to remove the chromic acid, and leave a subsalt, or the very stable oxide or carbonate of manganese, which may be peroxidized by the use of chloride of lime, ...
— Photographic Reproduction Processes • P.C. Duchochois

... this Dissertation was written, M. de la Peyrouse has discovered a native manganese. The circumstances of this mineral are so well adapted for illustrating the present doctrine, and so well related by M. de la Peyrouse, that I should be wanting to the interest of mineral knowledge, were I not to give here ...
— Theory of the Earth, Volume 1 (of 4) • James Hutton

... lord of the Nivernais summoned Italian potters hither, among these a native of Faenza. Under his direction a manufactory of faience was established, the ware resembling that of his native city, scriptural and allegorical subjects traced in manganese. The unrivalled blue glaze of Nevers is of later date. Just as Rouen potters were celebrated for their reds, the Nivernais surpassed them in blues. No French or foreign potters ever achieved an azure of equal ...
— East of Paris - Sketches in the Gatinais, Bourbonnais, and Champagne • Matilda Betham-Edwards

... the Western continent has more than once attracted the attention of Parliament. The Manufactures are large and comprehensive, and include the most famous distilleries in the world. The Minerals are most abundant, and among these may be reckoned quartz, porphyry, felspar, malachite, manganese, and basalt. ...
— Stories by English Authors: Scotland • Various

... primitive rocks, however, that minerals abound. Those of North Carolina surpass any in the Union. In the last Report on the Geology of the State one hundred and seventy-eight are numbered and described. Among these are gold, silver, copper, lead, iron, mica, corundum, graphite, manganese, kaolin, mill-stone grits, marble, barytes, oil shale, buhrstones, roofing slate, etc. The most of these are the subjects of great mining industries, which are daily developing to ...
— School History of North Carolina • John W. Moore

... the mills furnish rails with a composition as near between the two limits as possible. The mills, however, in order to meet the prescribed drop tests with the least difficulty, keep both the carbon and manganese as nearly as possible to the lower limits, with the corresponding result that a generally poor-wearing ...
— Transactions of the American Society of Civil Engineers, Vol. LXX, Dec. 1910 • Various

... chlorine, by the current of steam, and then condensed in a worm. Any uncondensed bromine vapour is absorbed by moist iron borings, and the resulting iron bromide is used for the manufacture of potassium bromide. The periodic process depends on the interaction between manganese dioxide (pyrolusite), sulphuric acid, and a bromide, and the operation is carried out in sandstone stills heated to 60 deg. C., the product being condensed as in the continuous process. The substitution of potassium chlorate for pyrolusite is recommended when ...
— Encyclopaedia Britannica, 11th Edition, Volume 4, Part 3 - "Brescia" to "Bulgaria" • Various

... patterns, we are at once struck with the marked fugitive character of nearly all the natural dyes. The exceptions are: the madder colors, especially when fixed on oil-prepared cotton, as in Turkey red; the black produced by logwood, tannin, and iron; and a few mineral colors, e.g., iron buff, manganese brown, chromate of lead orange, etc., and Prussian blue. Cochineal and its allies, which are such excellent dyes for wool and silk, give only fugitive colors ...
— Scientific American Supplement, No. 810, July 11, 1891 • Various

... could be substantially self-sufficient in respect of all raw materials is untenable. Even the United States lacks (mentioning minerals only) nickel, cobalt, platinum, tin, diamonds. Its supplies of the following are inadequate: antimony, asbestos, kaolin, chromate, corundum, garnet, manganese, emery, nitrates, potash, pumice, tungsten, vanadium, zirconium. Outside of minerals we lack jute, copra, flax fiber, raw silk, tea, coffee, spices, etc. This mere enumeration suggests the absurdity of the "raw materials" ...
— The Geneva Protocol • David Hunter Miller

... is procured by treatment with sulphuric acid (see P. Fritsch, Ann., 1894, pp. 279, 288). The crude chloral is distilled over lime, and is purified by further treatment with sulphuric acid, and by redistillation. A mixture of starch or sugar with manganese peroxide and hydrochloric acid may be employed instead of alcohol and chlorine for the manufacture of chloral (A. Staedeler, Ann. Ch. Pharm., 1847, 61, p. 101). An isomer of chloral, parachloralide, ...
— Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 3 - "Chitral" to "Cincinnati" • Various

... might ruin all his plans; for if the diamond drill broke into rich copper ore his chance at the two treasures would be lost. There would be a big rush and the price of claims would soar to thousands of dollars. The country looked well for copper, with its heavy cap of dacite and the manganese filling in the veins; and it was only a day's journey in each direction from the big copper camps of Ray and Globe. He turned impulsively and reached for his purse, but as he was about to plank down his five hundred dollars in advance ...
— Silver and Gold - A Story of Luck and Love in a Western Mining Camp • Dane Coolidge

... Manganese is abundant, and Iron occurs in the form of magnetic iron ore, titanite, chromate, yellow hydrated, per-oxide and iron pyrites. In most of these, however, the metal is scanty, and the ores of little comparative value, except for the extraction of manganese and chrome. "But there is another description of iron ore," says Dr. Gygax, in his official report to the Ceylon Government, "which is found in vast abundance, brown and compact, generally in the state of carbonate, ...
— Ceylon; an Account of the Island Physical, Historical, and • James Emerson Tennent

... iron are preferred even to-day to any that can be imported. If cost of transportation is to keep growing less and less, it is not beyond the range of possibility that some day Britain may import some of this unrivalled stone for special uses. There are also quicksilver mines, and lead, tin, and manganese ...
— Round the World • Andrew Carnegie

... receives from metals are sufficient to produce these varieties. Thus, amethyst, or purple quartz, is tinged with a little iron and manganese. Rose quartz, or false ruby, derives its colour from manganese. Avanturine is a beautiful variety of quartz, of a rich brown colour, which, from a peculiarity of texture, appears filled with bright spangles. ...
— The Mirror of Literature, Amusement, and Instruction, Vol. 20, - Issue 560, August 4, 1832 • Various

... Scheele undertook the solution of the composition of black oxide of manganese, a substance that had long puzzled the chemists. He not only succeeded in this, but incidentally in the course of this series of experiments he discovered oxygen, baryta, and chlorine, the last of far greater importance, at least commercially, than the real object ...
— A History of Science, Volume 4(of 5) • Henry Smith Williams

... the USSR's output. Another salient characteristic of the economy has been a flourishing private sector (compared with the other republics). About 25% of the labor force is employed in agriculture. Mineral resources consist of manganese and copper, and, to a lesser extent, molybdenum, arsenic, tungsten, and mercury. Except for very small quantities of domestic oil, gas, and coal, fuel must be imported from neighboring republics. Oil and its products ...
— The 1993 CIA World Factbook • United States. Central Intelligence Agency.

... terrible to excellent. Some of 'em, maybe, wouldn't hold a charge more than an hour, while others would have a shelf-life, fully charged, of as much as a year. Batteries don't work according to theory. If they did, potassium chlorate would be a better depolarizer than manganese dioxide, instead of the other way around. What you get out of a voltaic cell depends on the composition and strength of the electrolyte, the kind of depolarizer used, the shape of the electrodes, the kind of surface they have, their arrangement and spacing, and ...
— With No Strings Attached • Gordon Randall Garrett (AKA David Gordon)

... in its variations; Earthlike planets were equally inventive. Carbon, hydrogen, and oxygen, plus varying proportions of phosphorus, potassium, iodine, nitrogen, sulfur, calcium, iron, magnesium, manganese, and strontium, plus a smattering of trace elements, seem to be able to cook up all kinds of life ...
— Cum Grano Salis • Gordon Randall Garrett

... worker in precious metals, with whom I had some slight acquaintance, asking him to report upon the quality of the metal. With the other half I continued my series of experiments, and reduced it in successive stages through all the long series of metals, through silver and zinc and manganese, until I brought it to lithium, which is the lightest ...
— The Doings Of Raffles Haw • Arthur Conan Doyle

... chemical sense it refers to combinations of fatty acids with metallic bases, a definition which includes not only sodium stearate, oleate and palmitate, which form the bulk of the soaps of commerce, but also the linoleates of lead, manganese, etc., used as driers, and various pharmaceutical preparations, e.g., mercury oleate (Hydrargyri oleatum), zinc oleate and lead plaster, together with a number of other metallic salts of fatty acids. Technically speaking, ...
— The Handbook of Soap Manufacture • W. H. Simmons

... mineral species; a hydrous basic aluminium iron phosphate, orthorhombic in crystallization. The ferrous oxide is in part replaced by manganous oxide and lime, and in the closely allied and isomorphous species eosphorite manganese predominates over iron. The general formula for the two species is Al(Fe, Mn)(OH)2PO2 H2O. Childrenite is found only as small brilliant crystals of a yellowish-brown colour, somewhat resembling chalybite in general appearance. They are usually pyramidal in habit, often having the form ...
— Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 2 - "Chicago, University of" to "Chiton" • Various

... or more) Magnesium (20 or more) Iron Molybdenum Nickel Sodium (11) Hydrogen Lanthanum Titanium Silicon Sodium Niobium Manganese Strontium Nickel Palladium Chromium Barium Magnesium Neodymium Cobalt Aluminum (4) Cobalt Copper Carbon (200 or more) Cadmium Silicon Zinc Vanadium Rhodium Aluminum Cadmium Zirconium Erbium Titanium Cerium Cerium Zinc Chromium Glucinum Calcium (75 ...
— Scientific American Supplement, No. 799, April 25, 1891 • Various

... resources: coal, iron, bauxite, manganese, timber, wood products, copper, chromium, ...
— The 1995 CIA World Factbook • United States Central Intelligence Agency

... of heated peroxide of manganese, mixed with sand, with the help of a druggist's vial, the gutta-percha end of a syringe, a basin filled with water, and a jam jar—oxygen was derived. The red-hot cork, coal and phosphorus burnt in the jar so blindingly that it pained the eyes. Liubka clapped ...
— Yama (The Pit) • Alexandra Kuprin

... understanding how subterraneous fires could exist without the presence of air has disappeared since Dr. Priestley's discoveries of such great quantities of pure air which constitute all the acids, and consequently exist in all saline bodies, as sea-salt, nitre, lime-stone, and in all calciform ores, as manganese, calamy, ochre, and other mineral substances. See an ingenious treatise by Mr. Michel on earthquakes in ...
— The Botanic Garden - A Poem in Two Parts. Part 1: The Economy of Vegetation • Erasmus Darwin

... 'but as a warning against betting, unless you bet on a perrfect certainty. The Lang Men o' Larut were just a certainty. I have had talk wi' them. Now Larut, you will understand, is a dependency, or it may be an outlying possession, o' the island o' Penang, and there they will get you tin and manganese, an' it mayhap mica, and all manner o' meenerals. Larut is ...
— Life's Handicap • Rudyard Kipling

... begins the experiment. He takes a sort of large, long glass bulb, bent abruptly in the region of the neck. This, he informs us, is a retort. He pours into it, from a screw of paper, some black stuff that looks like powdered charcoal. This is manganese dioxide, the master tells us. It contains in abundance, in a condensed state and retained by combination with the metal, the gas which we propose to obtain. An oily looking liquid, sulfuric acid, an ...
— The Life of the Fly - With Which are Interspersed Some Chapters of Autobiography • J. Henri Fabre

... same Jose Barretto is a very remarkable character. He was formerly Superintendent of the Manganese mines near by and very active in politics. If any questionable work needed to be done in order to influence an election Jose was called upon to do it. He is a great, strong fellow, more than six feet in height and weighs, ...
— Brazilian Sketches • T. B. Ray

... being made all over the state, in hitherto unknown and undeveloped territory. Besides gold, silver and copper, immense deposits of salt, borax, lime, platinum, sulphur, soda, potash-salts, cinnabar, arsenical ores, zinc, coal, antimony, cobalt, nickel, nitre, isinglass, manganese, alum, kaolin, iron, gypsum, mica and graphite ...
— Reno - A Book of Short Stories and Information • Lilyan Stratton

... vicious and often highly poisonous mineral colours which Hassall met with so frequently in the middle of the 19th century. Mineral colours, with very few exceptions, are no longer used in food. Oxide of iron or ochre is still very often found in potted meats, fish sauces and chocolates; dioxide of manganese is admixed with cheap chocolates. All lump sugar of commerce is dyed. Naturally it has a yellow tint. Ultramarine is added to it and counteracts the yellowness. In the same way our linen is naturally yellow and only made to look white by the use of the blue-bag. The same ...
— Project Gutenberg Encyclopedia



Words linked to "Manganese" :   mn, rhodochrosite, metallic element, psilomelane, hausmannite, pyrolusite, iron manganese tungsten, austenitic manganese steel, manganite, atomic number 25



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