Fortanium was a mineral.
Fortanium was used by the D'Arsay to build their archive in the center of a comet. The Federation was familiar with the mineral in the 2370s. (TNG: "Masks")
| Minerals |
|---|
| Antimonium • Archerite • Arcybite • Asbestos • Bakrinium • Bemonite • Benamite • Beresium • Bernicium • Bilitrium • Chrondite • Cormaline • Cormalite • Duranite • Eisillium • Feldomite • Feldspar • Fortanium • Gallicite • Garnesite • Hematite • Hornblende • Ice • Jakmanite • Jevonite • Kelbonite • Kemocite • Ladarium • Magnesite • Murinite • Nitrium • Noranium • Olivine • Paralithium • Pergium • Polyferranide • Promethean quartz • Pyrite • Quartz • Riddinite • Ryetalyn • Salenite • Selenite • Silicate • Silithium • Styrolite • Talgonite • Topaline • Trellium • Trevium • Tricellite • Tricyanate • Tri-magnesite • Tritanium • Tryoxene • Uraninite • Uridium • Vendarite • Vokaya • Zenite |