Yeah, they are too. Cannot dismiss SYR on the basis of their low large-flake status alone.
The US will also wake up to itself with regard to graphite which pretty much ceased in 1990. The following is an interesting article (not critical to the discussion but interesting) about graphite mining in the US:-
https://investingnews.com/daily/resource-investing/battery-metals-investing/graphite-investing/graphite-mining-in-the-us/
