Bio-Glass Made From 100% Recycled Glass

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In some natural marble samples, you can see all kinds of fossils like ammonites and orthoceras, natural history in a slab. Bio-Glass is sort of a modern green version; it is made from 100% recycled glass squished together and sliced into slabs, and you can sometimes see the bottoms of wine bottles, the fossilized remnants of our modern waste.

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Each colour and style of bioglass represents a different material stream; one whiteish one comes from plate glass, another from drinking cups. Old beer bottles are turned into a lovely brown bioglass. it is a shame that their website is not so explicit about the sources; it is an interesting story.