This lot in China is filled with petrified tree trunks.

Giant petrified trees line a street in Qitai County, Xinjiang, China

It took two days to carefully saw the petrified tree in half.

The two halves of the petrified tree were polished.

While being lifted, one slab broke into three parts, along pre-existing fractures.

Graham Sutton and Richard Jackson, of Collector's Edge Minerals, lower a reinforced petrified tree trunk into its mount.

James Hagadorn testing the petrified tree for halite (salt) content.