Now there are all sorts of olive greens in tourmaline and it is not a particularly prized color. This medium dark, standard round brilliant, has decent flash for it tone level. It also appears to be eye clean with good crystal. Still the brown factor keeps the level of brightness down. Despite this, the collection needs volunteers like this one, to balance all the eye candy and give a better idea of what tourmaline looks like out there in the cold cruel world. It weighs 1.27 carats.