Petrified trees. Chunky and somewhat crude, there is something very solid about it, that I feel like holding on to...After all - unlike rocks - it is organic matter, that managed to survive millennia without changing shape...amazing stuff.
According to lore, petrified wood helps removing obstacles, grounding and calming emotions, it assists in reaching difficult goals and overcoming fears. It strengthens bones and protects. In other worlds, it is rock solid, like you would like your friend to be. I can't help liking it. And it can be worn.
Here's some special pendants for inspiration:
all photos Bauble Arcade Jewelry