GBB you stated;good comment dull mountain pass will be a far...

GBB you stated;
good comment dull mountain pass will be a far lower cost producer of light rare earthsPost #: 43109809

You clearly do not understand the process or the market otherwise you would supply substantiation.
The real figures for production costs are

Less than $4per kg for GGG
(See company announcement July 2019 as advised kindly by Jack)

$30perkg MP
"operating cost at Mountain Pass was rather in the +$30 range to produce a kilo"
.http://www.rockstone-research.com/index.php/en/research-reports/384-Rumble-in-the-REE-Jungle:-Molycorp-vs.-Commerce-Resources