Aratron is one of the Olympian Spirits.
Lore: Aratron rules over 49 provinces of the universe, 17,000, 640,000 lesser spirits, and is associated with the planet Saturn. His day is Saturday.
Powers: Aratron has the power to turn any life form into stone, turn coal into treasure and vice versa, grant invisibility, make the barren fertile once more, grant long life, help one communicate with the spirits under the earth, and reveal the secrets of alchemy, healing, and magic.
To view the sigil of Aratron, click HERE.
The Book of Ceremonial Magic by Arthur Edward Waite, Chapter 2