Fossil Petrified Palm Root Slab Lapidary Stone Slice Cut Rock Arizona Rainbow Wood but rather graded to the

but rather graded to the quality of the display

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

but it is a fossil stromatolite

which really create some captivating cabochons

Fossil Petrified Palm Root Slab Lapidary Stone Slice Cut Rock Arizona Rainbow Wood but rather graded to theThis 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.