Fossil Petrified Palm Root Slab Lapidary Stone Slice Cut Rock Arizona Rainbow Wood The age of this is

The age of this is unknown

but it is a fossil stromatolite

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

which really create some captivating cabochons

Fossil Petrified Palm Root Slab Lapidary Stone Slice Cut Rock Arizona Rainbow Wood The age of this isThis 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.