Lithium Rock deposits make up the most important share of lithium extracted in Australia. In Chile, Argentina and Bolivia the metal is extracted from brine full of lithium salt. All three nations lie in the “lithium triangle�?while in the Andes, the place big reserves and untapped means are located. ". https://omiyou.com/post/172410_al-o-alumina-a-versatile-ceramic-material-used-in-insulators-abrasives-and-biome.html