Here's some glass tile from reycled glass that is a bit more reasonable than most.
Peggy
Make a subtle or bold statement with Eco-Friendly Flooring's glass tiles crafted from 100 percent recycled glass. The post-consumer and post-industrial glass is crushed, mixed with metallic oxides and poured into molds to produce a durable, translucent tile. With hundreds of variations in color, style and finish, the pieces are ideal for backsplashes, countertops and showers.