Definition of "pyritic" []

• Of, relating to, or consisting of pyrite or pyrites (adjective)

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