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iron pyrite

   Also found in: Encyclopedia, Wikipedia, Hutchinson 0.06 sec.
ThesaurusLegend:  Synonyms Related Words Antonyms
Noun1.iron pyriteiron pyrite - a common mineral (iron disulfide) that has a pale yellow color
fool's gold, pyrite
atomic number 34, Se, selenium - a toxic nonmetallic element related to sulfur and tellurium; occurs in several allotropic forms; a stable grey metallike allotrope conducts electricity better in the light than in the dark and is used in photocells; occurs in sulfide ores (as pyrite)
mineral - solid homogeneous inorganic substances occurring in nature having a definite chemical composition


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Acid mine c drainage (AMD), caused by the physical and chemical weathering of sulfide-containing minerals such as iron pyrite, has been called one of the biggest threats to the environment in the United States.
Probing the depths of a solution for acid mine drainage. (Innovations) by Fraser, Lance / Environmental Health Perspectives
Iron pyrite additions were used at one time to rectify the problem, but were dropped due to S contamination of the furnace linings.
Converting Gray Iron to Ductile: Three Foundries' Experiences by Kippola, Dan / Modern Casting
It has a sandy floor covered with bits of iron pyrite, amethyst, and quartz crystals.
Dress up your class room contest. (Instructor and Ellison's) by Instructor (1990)
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