Coal

Coal was a mineral. It could be burnt in a furnace; industrial-level civilizations employed coal furnaces.

Appearances

• The Abduction (reprinted in Classic Adventures) (First appearance)
• Scoundrel's Luck

Sources

• Galaxy Guide 6: Tramp Freighters
• Planets of the Galaxy, Volume One
• Galaxy Guide 6: Tramp Freighters, Second Edition
• The Star Wars Planets Collection
• Galaxy Guide 12: Aliens — Enemies and Allies
• Galaxy Guide 2: Yavin and Bespin, Second Edition
• Ultimate Alien Anthology