Cobalt

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Cobalt
You may be looking for Cobalt Corporation or Cobalt 17.

Cobalt was a mineral.

Many species had access to cobalt bombs. (PROSE: Timewyrm: Genesys [+]Loading...["Timewyrm: Genesys (novel)"], Iceberg [+]Loading...["Iceberg (novel)"], etc.)

The Sontaran explosive Cobalt Blue had no chemical or atomic kinship to actual cobalt, despite the name. (AUDIO: Old Soldiers [+]Loading...["Old Soldiers (BBV audio story)"])