ɐ smˈɔːl ʃˈæloʊ pˈɪt ʌv zˈiəɹoʊ.θɹˈiː hˈɑː wʌz wˈʌns wˈɜːkt fɔːɹ lˈɪθiəm ænd ɪz ðə bˈɛst nˈoʊn loʊkˈælᵻɾi fɔːɹ bˌaɪoʊtˈaɪt mˈaɪkə ɪn bɹˈɪtən.
A small shallow pit of 0.3 ha was once worked for lithium and is the best known locality for biotite mica in Britain.