"Amorphous graphite" ore pieces Amorphous graphite is created e.g. through metamorphosis of anthracite.
The carbon content of mining-worthy deposits is already relatively high.
The term "amorphous" is a technical term, of course graphite is always crystalline. Amorphous graphite is microcrystalline, in contrast to the macrocrystalline flake graphite.
Pre-cursor for finer product made out of amophous graphite e. g. for micronizing / grinding