DuckCorp Dico

Found one definition

1.                 From Japanese-German FreeDict Dictionary ver. 0.2.0:
                   
   
   
                   
                     
   粗金 /(en)tʃˈaɪniːz(ja)lˈe̞tə (en)tʃˈaɪniːz(ja)lˈe̞tə/, 鉱 /(en)tʃˈaɪniːz(ja)lˈe̞tə/, 鑛 /(en)tʃˈaɪniːz(ja)lˈe̞tə/, あらがね /ˌäɽäɡˈäne̞/, あらかね /ˌäɽäkˈäne̞/
   (noun (common) (futsuumeishi))
   (1) (n) Erz, (n) Rohmetall, (2) (n) Eisen