All audio files were provided to this project courtesy of Rumi Da. Videos were created & uploaded independently by others. The videos offer an excellent introduction to Dr. Vogel's crystal work; for more detail, check out the audio files.
YouTube has many short clips of Marcel's lectures, as well as a few longer ones. Here are the videos we like best, from shortest to longest. (Only the first of multi-part series is provided).
Dr Marcel Vogel - Using crystal on self
Dr. Marcel Vogel - Crystal usage technique - Phase 1
Dr. Marcel Vogel - Therapeutic use of Crystals - Part 1
Marcel Vogel Workshop - Therapeutic Use of Crystals, part 1