This lightly toned, non dichroic, emerald cut does not look like a classical tourmaline. If you did not do an index of refraction test on it and find that it has a much higher index than beryl, I would guess that this stone was an unheated aquamarine. I think it has too much blue in it to call it a green beryl. To get the deepest tone level out this extremely transparent gemstone, I cut as deep a gem as I can comfortably do. It has four rows of wide facets on the pavilion and the full complement of three rows of facets on the top. Any flaws would be starkly seen and thank goodness there are none to bother you, as you get lost in the flashing well of its watery color. It weighs 5.47 carats.