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copper-pyrites▼noun[UK: ˈkɒ.pə(r) ˌpaɪə.ˈraɪ.tiːz] [US: ˈkɑː.pər ˌpaɪə.ˈraɪ.tiːz]
yellow ore▼noun[UK: ˈje.ləʊ ɔː(r)] [US: ˈjelo.ʊ ˈɔːr]
copper-blende▼noun[UK: ˈkɒ.pə(r) blend] [US: ˈkɑː.pər blend]
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