Who was known as "The Sibyl of the Rhine"?
Correct answer: Hildegarde von Bingen

Patti
What an inspirational and very interesting woman. Thank you for the great question and fantastic background information.

Coo
She was the first proponent of suspending an amethyst chunk over a pan of boiling water, allowing the condensation to drop off and collecting it. It was then recommended for using on sores and cuts. It was even consumed for benefit.