Trinesium

• Metallic element stable at extremely high temperatures (ENT: "Cogenitor")
  • Capable of withstanding up to 18,000 degrees Celsius (ENT: "Cogenitor")
• First discovered by Vissia by early 21th century (ENT: "Cogenitor")
  • Used in starship hull construction by that point (ENT: "Cogenitor")
  • Local to Vissian space, extremely rare outside Vissia (ENT: "Cogenitor")
    • Presumptive given Federation starship vulnerability to lower temperatures three centuries later