

This Karst Stone Paper notebook looks like an ordinary compact notebook, but it's made of rock dust fused with plastic. Others include ImStone, A Good Company, Rockstock and FiberStone, but you can find others with a ""="">search for "stone paper." Some companies use stone paper - also called mineral paper - for things like labels, bags, packaging and even food trays. Electric vehicles are making inroads on internal combustion engines, meat is being made from plants, quantum computers embrace the very physics that stymies ordinary machines, and 3D printers form products by putting material where it's supposed to go instead of grinding away the excess.Īustralia-based Karst Stone Paper, which sells notebooks for $20 and hopes to expand to printer paper, is one of many brands you'll see. But it's one example of some of the fundamental rethinking happening today as researchers and businesses look for eco-friendly ways to get things done. The environmental benefits of stone paper aren't entirely clear, especially given some serious limits on recycling. A Taiwanese supplier, Taiwan Lung Meng Advanced Composite Materials, pulverizes the rock left from construction and quarries, fuses it with plastic that holds it together, then compresses it with massive rollers until it's paper-thin. Karst's paper is made of about 80% calcium carbonate, the main ingredient in limestone and marble.

Rock dust may not sound like an ideal ingredient for paper, but it works.
