This brown coloured stone is actually fossilized trees.
By the very nature of the name, this crystal enables you to establish deep roots and is particularly known to ground in times of panic or anxiety.
Worth noting that this stone also lends itself to being a meditation aid.
Crystal Healers believe petrified wood (also known as fossil wood) is grounding connecting you to your roots and helps mental balance, structure, soothes the emotions, grounding, longevity, stress, past lives, emotional childhood issues.