Mine coal ore blocks with a pickaxe
Find coal ore in caves, ravines, mountains, and underground
Break coal ore with any pickaxe to drop coal
Use a pickaxe enchanted with Fortune to get more coal
Mine deepslate coal ore in deeper underground areas
Kill wither skeletons for coal drops
Trade with villagers, especially toolsmiths and armorer villagers
Open loot chests in structures like villages, mineshafts, and dungeons
Smelt charcoal from wood in a furnace or blast furnace
Use charcoal as a coal substitute for crafting and fuel