What does the happy medium look like in a wrinkle in time book?

The Happy Medium

The Happy Medium is an oracle-like character who is able to view different places and different times through her crystal ball. The children meet her in a cave, and though she hesitates at showing them evil and unpleasantness in the universe, she is able to better explain to the children the nature of the Dark Thing and its power.

They meet the Happy Medium, a woman dressed in a long, purple satin gown holding a crystal ball. They all introduce themselves and Mrs. Whatsit tells the Medium to show the children their own planet. The Medium doesn’t want to because she’d rather look at things that are more “delightful,” but Mrs. Which tells her that soon there “will no longer be so many pleasing things to look at if responsible people do not do something about the unpleasant ones.”

She is holding a crystal ball and has a purple dress. And of corss she is a gurl