Of all the colors I explored with my spectrometer for copper, the most discoveries of copper were made in greens. I also had quite few indications of copper in pink/red, but there are technical issues with that color of tourmaline and I am working to verify my results.
This standard round brilliant is an attractive medium toned green, that is not noticeably dichroic, but I still don’t see any visible indications of copper in it. So it will have to stand before the droplets of color based on its own visible merits. It easily gain entrance, but I think her cuprian nature was known and factor in. I really can not keep secrets from the droplets of color, they populate my dreams. She weighs 1.29 carats.