The small demonstration bottles filled with different shades of sky blue, pale green, black, grey and white powders look like a kid’s colouring kit. They are actually key to the global fight to wean the world off Chinese control of the rare earths market.In the red dirt outside, Lynas Rare Earths has transformed a remote mine in the West Australian goldfields into a strategic player in an urgent geopolitical struggle.Subscribe to gift this articleGift 5 articles to anyone you choose each month when you subscribe.Subscribe nowAlready a subscriber? Fetching latest articles