Has Anybody Done an Under Lit Counter Top?

I have a thread out there titled "Are There Any Transparent/Translucent Glues For Setting Tiles? I was searching when I started it and still considering diffusion so it is getting dated but people have replied to it so I'll leave it alone. I'd love to hear from people who have done this and learn about problems and solutions and if anybody feels like PM'ing me go ahead. I'm cautiously trying out small pieces and can see some problems. The first is a possibility of ruining the properties of the edge lit plastic with glues. Another is the glues themselves. I can't use anything with common cements in it since it has to let light through and its pushing me towards epoxy, lots and lots of expensive epoxy. I've only used small amounts and wonder about problems here. I'm planning to make a kitchen counter top of Honeycomb Calcite, a deeply translucent stone. The main type I'm using is called Honey Onyx. I'll also be using some light green and white pieces for accent. If I have any hot spot issues I'll use a narrow band of opaque stone along the edge LED's' It's called Onyx but it ain't. Onyx is a quartz with a hardness of 7 and not very reactive. Honeycomb Calcite is reactive, stains and has a hardness of 3. Therefore its going to be topped with 1/4" of tempered plate glass. This stone would probably work in a bathroom or on walls but not on a surface exposed to knives, pots, ceramics and stains. This is very heavy so I'm going to be bracing the cabinets. The lights will be on a dimmer so I can change the light intensity. Here's an example of laying out some pieces on a work table. The LED strips are wrong and not on well but it still shows possibility: