This standard round droplet of color is not eye clean, but the stone is still bright. I actually bought this small one because it contains copper. When I saw it finished I wonder if it was truly cuprian. When I check it with my spectrometer it did show that the gemstone absorbs light, like it should for copper. I could also see a faint violet cast to the light pink color. Even though it is small and included, it is useful in the collection because it is the sole representative of such a dab of copper in pink. It weighs .41 carats.