This emerald cut is strongly dichroic. Its ends are green and the dominant a/b axis color is a darker bronzed brown. It has good crystal and appears to be eye clean. It weighs 1.24 carats.
This smaller emerald cut tourmaline has a distribution of color that I think is unique to tourmaline. Its c axis is very nice mid toned yellowish green and the a/b axis is a golden brown. In this emerald cut the green is in the ends and only really impacts the stone in the ends, The rest of the gemstone is more of a darker browned bronze under yellowish light. The sum total of the different dichroic color is a tourmaline that is more interesting than eye candy.
Later in the day I revisited this gemstone to compare it with a different tourmaline. And low and behold the green had become much more important in coloring this gemstone. Then even later, a more golden brown green was dominant. This is just another example of needing to see a tourmaline under different natural and artificial lights before deciding if you really likes its color.
The smaller emerald cut appears to be eye clean. Its crystal is good and its weighs 1.24 carats. I got the rough from someone who stated that it came from India and had chrome content. I was not able to confirm the chrome content with my spectrometer.
Bruce
