Les Univers de GemGenève #14

Recorded in May 2025 amidst the vibrant atmosphere of GemGenève, this episode of Il était une fois… le bijou takes listeners on a journey into one of the jewellery world’s rarest treasures: green tanzanite.

In the ever-expanding cosmos of jewellery, GemGenève has become a true cultural event, gathering diverse voices and subjects like constellations within a shared universe. For the seventh season of her podcast, Anne Desmarest de Jotemps brings these stars together to explore the latest stories and discoveries from the world of jewellery.

In this episode, Anne welcomes two leading experts:

  • Daniel Nyfeler, Managing Director of the Gübelin Gem Lab
  • Brieuc Taymans, CEO of Taymans Fine Gems

Together, they unveil the mystery of green tanzanite — a naturally occurring and extremely rare variety of the zoisite family, more commonly known for its iconic blue-violet hue. Brieuc shares his passion for this exceptional gem, while Daniel offers scientific insight into its rarity and formation.

A captivating episode that celebrates the brilliance of nature and humanity’s enduring fascination with the extraordinary.

Speakers