Chimerium
- Naturally occurring alloy of magnesite and kelbonite (SCE Short Story: "Invincible, Book One")
- Most discovered deposits incredibly miniscule (SCE Short Story: "Invincible, Book One")
- Sarindar only known significant source (SCE Short Story: "Invincible, Book One")
- Federation has exclusive export agreement with Nalori Republic for chimerium (TNG Novel: A Time to Kill)
- Impenetrable to sensor beams and transporters (SCE Short Story: "Invincible, Book One")
- Deflects at least low-power phaser beams (TNG Novel: A Time to Kill)