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| py·rar·gy·rite [ pī rrjə rt, pi rrjə rt ] |
noun |
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| Definition: |
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important silver ore: a deep red to black lustrous mineral that consists of silver antimony sulfide and is a source of silver. It is commonly found associated with other silver ores.
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| [Mid-19th century. <pyro- + Greek arguros "silver"] |
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