Blue Beryl Discovery in Canada

William R. Rohtert

Hermosa Beach, CA

Elizabeth P. Quinn

GIA Gem Laboratory, Carlsbad, CA

Lee A. Groat

University of British Columbia
Vancouver, British Columbia, Canada

George R. Rossman

California Institute of Technology
Pasadena, CA


In August 2003, an unusually dark blue beryl was discovered in Canada's Yukon Territory. The new beryl, noteworthy for its dark blue color and strong dichroism from blue to nearly colorless, is being referred to as "True Blue" beryl. The beryl have iron contents ranging from 1.5 to 5.8 wt% FeO, the highest value for Fe in beryl yet reported.

Blue beryl on matrix
Close-up view of blue beryl on matrix.
Click on image for larger image.

The optical spectrum is generally like other aquamarines, but the intensity of absorption is greater.