Fossil Petrified Palm Root Slab Lapidary Stone Slice Cut Rock Arizona Rainbow Wood but it is a fossil

but it is a fossil stromatolite

which really create some captivating cabochons

and is extremely rare even without the Larvae holes present

Madagascar

This chunk of Dinosaur Bone appears to have some silica and calcite present

Fossil Petrified Palm Root Slab Lapidary Stone Slice Cut Rock Arizona Rainbow Wood but it is a fossilThis is a slab of Mystery Petrified Palm Root from an old stock collection. I don't know where this material was mined, but it's beautiful. It's a great specimen or collector's piece. Measurements (inches longest approx): 4. 3 x 4 x . 22 The last photo has been taken dry so that you may see any defects. The other images were taken wet to simulate polish.