Petrified fossil wood is ancient wood from the Jurassic period 175 million years ago that has had its organic material gradually replaced as it decays. It's structure is preserved but the wood fibers slowly transform into stone. Two minerals typically involved in this displacement are agate & quartz. It is the stone of transformation & leadership. Good for business success & universal protection. Practically grounds & settles outlook on survival. Awareness is heightened & feelings of well-being are elevated. Strengthens spiritual backbone & is used in past life regressions. Stabilizes your health & is beneficial for bones, backaches, skin & hair. Good for atrophied limbs, paralysis, spine alignment & control over bodily functions.