Modeled this last year and rendered a non-lit version. I was wrestling with how to show the blue fluorescence inside but finally found a method that gave me pretty good results. I hope you all enjoy.
https://live.staticflickr.com/65535/51813806121_08430889b9_3k.jpg
(http://live.staticflickr.com/65535/51813806121_08430889b9_3k.jpg)