SIZE: Medium Inverted Teardrop. Petrified Wood is a colloquial term used for fossilized remains of trees or tree-like plants, where the cavities between natural wood cells are filled with minerals . The most famous locality where petrified Wood can be observed is Petrified Forest National Park (Arizona, USA). The material is often used for jewelry and decorations. These stunning and multicolored pieces of petrified wood are wonders of nature. With their rainbow hues, they contains all elements of spirit, and are great for those individuals who live life to the fullest with no inhibitions. Whatever mood you find yourself in, Crystal Forest Jasper will match your energy. Earth, Air, Fire & Water—these stones have it all, and are things (trees) once alive in nature millions of years ago!