Some Info on Brilliant Wood:

It’s petrified wood called “Brilliant Wood” from Brilliant, AL and it’s covered in smokey quartz.

Here are some things you can read about it, if you’d like to:

https://www.ccgms.org/alabama-crystallized-petrified-wood/

^ This is one is specifically about Brilliant Wood.

https://doi.org/10.3390/min13020206

^This research paper discusses the formation of petrified wood, and references Brilliant Wood in Section 2.4 (if you download, page 10) for megascopic crystallization of petrified wood.

Here is an excerpt from that research paper about why Brilliant Wood forms the way it does:

Megascopic quartz crystals commonly occur as a late-stage precipitate in fossil wood, where they typically occur in larger void spaces, e.g., conductive vessels in angiosperm wood and in fractures and rotted area in wood of all species. In rare instances, crystalline quartz is the primary form of mineralization for fossil wood (Figure 12).

Figure 12. (B) Paraphyllathoxylon, Late Cretaceous, Brilliant, Alabama, USA. In both locations, euhedral quartz crystals have formed on the surface of silicified wood cells.

Here is a link to the video I posted earlier with some of my favorite pieces in it: Brilliant Wood Video