Bismuth

Bi

used in fire sprinkler systems and fire detectors and electrical fuses.

Is a chemical element of atomic number 83, a brittle reddish- grey metal with a slight pink color.
Also in different medicines such as pepto-bismol

Bismuth is also used extensively in cosmetics .

Pure bismuth

pure bismuth coasts 39 cents per gram that averages out the 39 cents per gram.

https://en.wikipedia.org/wiki/Bismuth