Agratis

Agratis was a farmworld. The Fourth Doctor claimed that it was known throughout the galaxy for the rich bounties it provided.

Economy and politics
The economy of the planet was centered on:
 * foodstuffs and delicacies
 * the Jewel of Fawton, considered the most beautiful gem of the universe.

The capital city of the planet, led by a provost, was Darschon. It was the see of the museum who exposed the Jewel.

History
Agratis was colonized by humanoids with red skin. The discovery of the Jewel and the consequent tourism made possible the advancements of their society.

Unknown to main population, the underground chambers in the Krytuk valleys were inhabited by crystalline creatures. The Fourth Doctor helped discovering that the Jewel of Fawton worked as a collective brain for the crystalline creatures, who consequently woke up from hibernation state. (COMIC: Prisoners of Time)