Fossil Stromatolite Slabs
Fossil Stromatolites are some of the oldest of all the fossils. The ring like patterns are a record of the growth of the microorganisms, similar to tree rings. The fossil record of Stromatolites spans over 4 billion years. Probably best polished with tin oxide and then green rouge (Zam).
Item number: Slab1472C - Fossil Stromatolite Slab - $7.00