Bronze
Bronze was an alloy that combined copper with another kind of metal, such as tin. 

On Earth, bronze was first used during the Bronze Age of Human civilization. It has since been used in decorations, jewelry and sculptures. During the 24th century the Mintakans and Takarians were considered to be at a Bronze Age-level of development. (; )

Captain Jean-Luc Picard delivered a thirteenth century bronze horse statue, from Earth's Sung Dynasty, to Lutan, the leader of Ligon II, in 2364. ()

Among the artifacts returned by Vash from the Gamma Quadrant was a bronze and gold dagger, measuring twenty-five centimeters in length. ()

In 2373, a bronze and triptin statue was found on board an old derelict freighter near the Bajoran system. Quark acquired the statue, and sold it to a sartorially-gifted Bolian for one  and three strips of latinum. ()

 invited Kathryn Janeway to join him on a delivery of a bronzetto (bronze statue) to the s at Santa Croce. () Leonardo later had plans for a great bronze horse in Milan, Italy, but he never got around to finishing it; in 2374, this was used by Janeway to illustrate to the Da Vinci hologram how often he had given up. ()

In 2376, B'Elanna Torres asked Kelis to obtain a piece of metal consisting of three parts tin to five parts bronze, with one side coated with gold, so that she could repair the subspace transmitter on the crashed . ()

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