Mr. TALJAARD wished to know if the words 'pyrites' and 'concentrates' could not be translated into the Dutch language. From Wordnik.com. [The Transvaal from Within A Private Record of Public Affairs] Reference
'Mr. Taljaard wished to know if the words "pyrites" and "concentrates" could not be translated into the Dutch language. From Wordnik.com. [The War in South Africa Its Cause and Conduct] Reference
The general color scheme was that of copper and iron pyrites. From Wordnik.com. [Final Report of the Louisiana Purchase Exposition Commission] Reference
In metallic products there were iron ores, lead and zinc, and pyrites. From Wordnik.com. [Final Report of the Louisiana Purchase Exposition Commission] Reference
Suddenly the idea flashed across my mind that it might be iron pyrites. From Wordnik.com. [History of California] Reference
On shore we found a great quantity of cubical pyrites in a grey matrix. From Wordnik.com. [Journal of a Voyage from Okkak, on the Coast of Labrador, to Ungava Bay, Westward of Cape Chudleigh Undertaken to Explore the Coast, and Visit the Esquimaux in That Unknown Region] Reference
Iron pyrites is always known by its brassy metallic aspect and great hardness. From Wordnik.com. [Scientific American Supplement, No. 344, August 5, 1882] Reference
It was from this use that the sulphuret of iron derived the name of pyrites, or fire-stone. From Wordnik.com. [The International Monthly Magazine, Volume 5, No. 1, January, 1852] Reference
He deposited the pyrites in a pouch near his traveling pack and then went to stand beside her. From Wordnik.com. [The Mammoth Hunters]
I did not observe any, but found a few minute specks of pyrites, and partially resembling mica. From Wordnik.com. [The Land of Midian] Reference
Greg says that it is like compact charcoal, with particles of sulphur and iron pyrites embedded. From Wordnik.com. [The Book of the Damned] Reference
Within the lifeless flint, within the silent pyrites, slumbers an agony of potential combustion. From Wordnik.com. [Blackwood's Edinburgh Magazine, Volume 56, Number 348] Reference
The ore is found in a sort of chloritic slate and iron pyrites which follow the ledge all around. From Wordnik.com. [Scientific American Supplement, No. 363, December 16, 1882] Reference
Where iron is present in the form of pyrites, or ferrous silicate, it does not seem to cause reversion. From Wordnik.com. [Manures and the principles of manuring] Reference
The soil around is a red-and-white clay, strongly impregnated with sulphur and hydrogen gas; pyrites also occur. From Wordnik.com. [The Continental Monthly, Vol. 6, No 3, September 1864 Devoted To Literature And National Policy] Reference
The form of the copper pyrites is shown in Fig. 8; the iron is, as before noted, in cubes, more or less modified. From Wordnik.com. [Scientific American Supplement, No. 344, August 5, 1882] Reference
The other impurities, all of which, except the pyrites, are soluble in water, are undesirable, as they give rise to. From Wordnik.com. [Encyclopaedia Britannica, 11th Edition, Volume 4, Part 3 "Brescia" to "Bulgaria"] Reference
Its gold-production method consists of using cyan to extract gold from the large quantities of mined arsenic pyrites. From Wordnik.com. [Gold and Aristotle] Reference
M. Dupont found in one of the Belgium caves a piece of iron pyrites, from which, with a flint, sparks could be struck. From Wordnik.com. [The Prehistoric World; or, Vanished races] Reference
Copper pyrites, by its aspect from the other minerals, and from iron pyrites by its inferior hardness and less gravity. From Wordnik.com. [Scientific American Supplement, No. 344, August 5, 1882] Reference
Careful dissolving of the pyrites and gangue, so as to leave the gold intact, failed to find it in any larger diameter. From Wordnik.com. [Scientific American Supplement, No. 841, February 13, 1892] Reference
The pyrites is fed from the hopper, A, into a distributing box, B, furnished with a valve which is maneuvered by a lever. From Wordnik.com. [Scientific American Supplement, No. 299, September 24, 1881] Reference
As this was a very unusual experience in investigations on many other kinds of pyrites, I was led further into the matter. From Wordnik.com. [Scientific American Supplement, No. 841, February 13, 1892] Reference
The apparatus is so easy of installation that it may be applied without much expense to pyrites furnaces already in operation. From Wordnik.com. [Scientific American Supplement, No. 299, September 24, 1881] Reference
Iron pyrites is commonly of a bright brass-yellow color, and is found crystallized in cubes, dodecahedrons and many other forms. From Wordnik.com. [Golden Days for Boys and Girls Volume VIII, No 25: May 21, 1887] Reference
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. From Wordnik.com. [Stories by American Authors, Volume 1] Reference
I was impressed only with recurrence, because the objects of Orenburg were described as crystals of pyrites, or sulphate of iron. From Wordnik.com. [The Book of the Damned] Reference
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. From Wordnik.com. [Santo Domingo A Country with a Future] Reference
Now these ores, such as copper-pyrites, are nearly always of a bright color, and as such would attract the attention of primitive man. From Wordnik.com. [The Prehistoric World; or, Vanished races] Reference
When calcined zinciferous pyrites have to be examined, the estimation of zinc is similar to that employed in the analysis of zinc ore. From Wordnik.com. [Scientific American Supplement, No. 455, September 20, 1884] Reference
At a depth of 490 feet, sandstone with iron pyrites was pierced; this would probably be the ferruginous Northampton sand of the Oolite. From Wordnik.com. [Records of Woodhall Spa and Neighbourhood Historical, Anecdotal, Physiographical, and Archaeological, with Other Matter] Reference
The Aztecs made their mirrors of iron-pyrites polished, and are the only people who are known to have put this material to ornamental use. From Wordnik.com. [Anahuac : or, Mexico and the Mexicans, Ancient and Modern] Reference
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