Alternative Names: Petrified Wood
Species: Silicates, cryptosilicates
Chemical Formula: SiO2
Crystal System: Trigonal
Birthstone for: Virgo
Aligns with the Root Chakra
Colour: Usually brown to red, grey
Properties: A chalcedony replacement of organic wood. In the past, fossilised wood was sometimes used in magic and as an object of power. Currently it is thought to be an aid in remembering past lives. It is calming, can stabilise health and stimulate recovery from illness. It is also very grounding.