Garnet is not really very valuable at all (like a couple of hundred euros per tonne), so huge quantities of it must be supplied for the operation to work. If they planned to supply 35 kt/a of rutile and 180 kt/a of garnet, then a 50% / 50% revenue mix is achieved with that, but almost all the profit comes from rutile. The mine is next to the port and ships can drive to pick up cargo like from a McDonald’s drive-thru, so freight can be transported surprisingly cheaply compared to a mine located inland.
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