Swiss jeweler, gemologist (1913–2005)

Eduard Josef Gübelin (1913 – 2005) was a Swiss gemstone researcher.[1]

Gübelin's studies on gemstone inclusions laid the groundwork for the microscopic identification of gemstones. Gübelin used poetry to validate gemstones, as noted in the book Emeralds A Passionate Guide.[2]

Gubelin was one of the first gemologists to recognise the butterfly wing effect in Colombian emeralds.[3]

He also founded Gübelin Gem Lab.[4]


  1. ^ "The Legacy of Dr. Eduard J. Gubelin" (PDF). Retrieved 16 August 2018.
  2. ^ "Emeralds, A Passionate Guide: Home".
  3. ^ "Gota de Aceite: Nomenclature for the Finest Colombian Emeralds | Gems & Gemology".
  4. ^ " - ICA Founder Gubelin Dies at 91". Retrieved 2018-08-07.