Stromatolite Fossil Specimen

Got this cool piece of stromatolite fossil for sale. It's basically fossilized algae from way back in the day, like billions of years ago. Has those really neat wavy, concentric patterns all through it. It's a solid chunk, looks great on a shelf or as a desk piece if you're into geology or just want something unique. Not polished, just the raw natural look. Let me know if you want it.