検索
Iron manganese tungsten
/ˈaɪən mˈaŋɡənˌiːz tˈʌŋstən/
/ˈaɪɚn mˈæŋɡənˌiːz tˈʌŋsʔn̩/Iron manganese tungsten
01
a mineral consisting of iron and manganese tungstate in crystalline form; the principal ore of tungsten; found in quartz veins associated with granitic rocks
