fahlerzEnglishOxford Dictionary of Englishfahlerz /ˈfɑːlɛːts / ▸ noun [mass noun] a grey crystalline copper-containing mineral, of which tetrahedrite and tennantite are the typical forms. – ORIGIN late 18th century: from German, from fahl ‘ash-coloured’ + Erz ‘ore’.
EnglishOxford Dictionary of EnglishEnglishOxford Dictionary of English
EnglishOxford Dictionary of English