I bought a frag of Rainbow Sherbert Chalice online from Mr. Coral a few months ago. It has started encrusting on it's new rock and has started taking off. It is really pretty and glows under the LEDs. First time I bought from him and it was a pleasurable transaction. Here is a picture of the Chalice.
IMG_6678 by jporter515, on Flickr
IMG_6678 by jporter515, on Flickr