- You may also be looking for tritium, titanium or trititanium.
Tritanium ore
Tritanium is an ore that is known to be 21.4 times as hard as diamond. It is found, among other places, on the planet Argus X. (TOS: "Obsession") The ability to melt tritanium was beyond Federation technology in 2364. (TNG: "The Arsenal of Freedom")
During the autopsy of Hon-Tihl, the first officer of the IKS Toh'Kaht, in 2369, Dr. Bashir found tritanium alloy fragments in his chest and upper arms, but determined that they were not the cause of his death. (DS9: "Dramatis Personae")
Uses of tritanium
Tritanium alloy was a widely used construction material. The bulkheads of Federation starships, specifically of the Template:ShipClass and Template:ShipClass, were composed of tritanium. (TNG: "Where Silence Has Lease"; VOY: "Repentance")
The hulls of Axanar cargo ships were composed of tritanium. (ENT: "Fight or Flight") The hulls of Federation type-6 shuttlecrafts were also composed of tritanium. (TNG: "Rascals")
A class 2 shuttle's hull was made from a tritanium alloy. (VOY: "Threshold")
Tritanium was also used as a type of armor plating in assault skimmers. (DS9: "Business as Usual")
Federation EJ7 interlocks were composed of a tritanium compound. (DS9: "In the Hands of the Prophets")
The projectile fired from the TR-116 rifle was composed of tritanium. (DS9: "Field of Fire")
Borg tactical drones possessed a tritanium infrastructure, as did Borg cubes. (VOY: "Dark Frontier", "Endgame")
The detonator of a warhead in a firing range USS Voyager accidentally wandered into was protected by tritanium shielding. (VOY: "Human Error")