Description
Superb geode of violet amethyst crystals (a variety of quartz), perfectly set in a siliceous matrix. Beautiful set for this sector, which is rich in amethyst crystals.
Specimen of amethyst quartz crystals from Champagnat le Jeune in the Puy-de-Dôme department of Auvergne.
Below is a video of this Auvergne amethyst crystal geode:
This post is also available in: French