Genuine Trinitite, atomsite, alamagordo glass, or atom bomb glass. Displays, samples, and micromounts. This exotic material is the result of the historic Trinity Test of the world's first atomic bomb during the Manhattan Project in 1945. Trinitite is a glassy material that was created during the explosion as the desert sands fused into a radioactive glass during the formation of the mushroom cloud. It is legal and safe to own this rare historic material.