This is another gemstone that I did not buy as a cuprian tourmaline. I discovered it with my spectrometer. It has just the faintest inclusions that don’t effect the beauty of the stone at all. But then again, I don’t see any exceptionally bright neon look in this gemstone from its copper content. I wish that I could actually get the concentration of copper in more of my cuprian gemstones, to see how it varies with color and the stones spectral absorption peaks. This yellow with a wash of green, standard round brilliant has good crystal and a nice bright open personality. It weighs 5.64 carats which makes it a significant gemstone in the collection.