does any one know how to do this?

[alfa147x]

So iv search google for Lightning diamond and Thunder diamond but have yet to find a tutorial if some one has one could they please post?

http://xkcd.com/260/

and what kind of sand would I use if i wanted a pink tinted diamond?
any pictures of peoples creations?
why are more people not doing this?

 

[ppdes]

http://www.google.com/search?q=lightning+glass