How To Use Copper pyrites In A Sentence

• 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 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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• 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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• 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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