Pink Stromatolite BIG Matching Earring Slab Bead Pair 18x50mm
Stromatolites are fossilized layered deposits of algae within ancient sedimentary rock. These old single-celled organisms are believed to be some of the first forms of life on this planet. Some cyanobacteria (algae) in the rock dates back over 3.5 billion years. Stromatolites range in a variety of colors and can contain many impurities.