This is based on 1,50 billion tons in-situ resources with 3,430 ppm of TREO and with 791 ppm of MREO, calculated with a 1,000 ppm TREO cut-off, from three currently studied targets, Alto da Serra, ...
Emerald cut, princess cut, and pear cut were the most ... atoms - but they've been grown in a lab instead of dug from the earth. On the face of it, it seems more environmentally friendly but ...