Jakmanite 632, or just jakmanite, was a substance that was not normally picked up by the sensors of a Galaxy-class starship. This substance, which had no naturally occurring sources, was the radioisotope byproduct of high-energy yurium decay.
Furthermore, along with invidium, saltzgadum, selgninaem, and lucovexitrin, it was one of only five undetectable substances that could exist in a nitrogen-oxygen atmosphere, and which could alter the molecular structure of glass.
Jakmanite had a half-life of about fifteen seconds and was thereby ruled out as having caused the malfunctions aboard the USS Enterprise-D in 2366, as there would not have been enough time to spread the substance all over the ship. (TNG: "Hollow Pursuits")
Minerals |
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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 |