Musician, artist, and "edutainer" Tom Kaufmann makes unique instruments called lithophones, which are similar to xylophones, but created from various stones. Here's how Kaufmann describes them:
Another happy coincidence led me to my current fascination with constructing lithophones. I was tossing around some scrap pieces of granite countertop that I’d gotten for one of my Upright Furniture projects, and as one of the chunks landed, it rang as clear as a bell.
I’d been looking for stone... READ ON