Copper

Copper, Cu, atomic number 29. Melting point 1358K. A highly ductile lustrous red-orange metal, with good thermal and electrical conductivity. Used broadly by industry as a cheap conductor and in many alloys. It is also used in biotech and aquaculture especially in many extraterrestrial and hemocyanal species.

— In-Game Description

Copper is a specific commodity item of Metals in the galaxy.