Pyrites
Hawkins' Electrical Dictionary · 1915 · p. 3
—A mineral, usually whitish or yellow with a bright luster; any one of the metallic sulphides; as, of iron or copper.
Bu kavram başka kaynaklarda da geçiyor
A Dictionary of Military Terms (1918)
Chamber's Twientieth Century Dictionary (1908)
An Illustrated Dictionary of Medicine, Biology and Allied Sciences (1907)
An Illustrated Encyclopedic Medical Dictionary (1894)
Zell's Condensed Dictionary (1879)
Dictionary of Science, Literature and Art (1854)
Dictionary of Science, Literature and Art (1842)
A Dictionary of Arts, Manufactures and Mines (1840)
Pantologia (1813)
Copper Pyrites
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Hawkins' Electrical Dictionary (1915)
copper pyrites
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The American Dictionary and Cyclopedia (1910)
Copper-pyrites
—
Nuttall's Standard Dictionary of the English Language (1890)
Copper Pyrites
—
Zell's Condensed Dictionary (1879)
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