Definitions

from The Century Dictionary.

  • Pertaining to pyrites; consisting of or resembling pyrites.

from the GNU version of the Collaborative International Dictionary of English.

  • adjective (Min.) Of or pertaining to pyrites; consisting of, or resembling, pyrites.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • adjective of, relating to, or consisting of pyrite or pyrites

Etymologies

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Examples

  • Commercial coal cleaning (or beneficiation) facilities, particularly in the United States use physical cleaning techniques to reduce mineral matter and pyritic sulfur content.

    Global anthropogenic emissions of mercury to the atmosphere 2008

  • Common sources of SO2 have risen in the last decades, from sources such as combustion of dirty pyritic coal and smelting of sulphide mine ores.

    Q.e.d. « Climate Audit 2006

  • Common sources of SO2 have risen in the last decades, from sources such as combustion of dirty pyritic coal and smelting of sulphide mine ores.

    Q.e.d. « Climate Audit 2006

  • With regard to auriferous pyritic lodes, it does not appear even now to be clear, as some scientists assert, that their gold is never found in chemical combination with the sulphides of the base metals.

    Getting Gold: a practical treatise for prospectors, miners and students

  • 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

  • Presently she went and knelt in the windowseat, drawing patterns on the glass and looking up the side-street at the Castle Rock, which now glowed with a dark pyritic lustre under the queer autumn day of bright south sunshine and scudding bruise-coloured clouds, seeing the familiar scene strangely, through a lens of tears.

    The Judge Rebecca West 1937

  • Celestial and August: a vase imitating the substance of ore-rock, all aflame with pyritic scintillation, -- a shape of glittering splendor with chameleons sprawling over it; chameleons of porcelain that shifted color as often as the beholder changed his position.

    Some Chinese Ghosts Lafcadio Hearn 1877

  • It cannot proceed from the decomposition of sulphurets of iron, or pyritic strata.

    Travels to the Equinoctial Regions of America 1851

  • It cannot proceed from the decomposition of sulphurets of iron, or pyritic strata.

    Personal Narrative of Travels to the Equinoctial Regions of America, During the Year 1799-1804 — Volume 2 Alexander von Humboldt 1814

  • The drill holes appear to have intersected lower-grade material within the same wide mineralized zone of pyritic stockwork.

    Marketwire - Breaking News Releases 2010

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