The Lexicon (Ajax 013)

"What is this?"

- SPARTAN-070

"Its a star chart. This red dot is us on The Crucible"

- SPARTAN-013

"But these dots.... theres got to be at least two dozen, alot near major systems...."

- SPARTAN-087

"They are more Crucibles"

- SPARTAN-013

"How do you know?"

- Joyeuse

"Because....The Lexicon told me."

- SPARTAN-013

The Lexicon is a collection of Precursor star charts and maps displaying all Precursor worlds and facilities.