Famous Can You Tumble Petrified Wood References. The standard rock tumbling instructions of one week in coarse, one week in medium, one week in fine, and one week in polish were developed to tumble agate, jasper, petrified wood and quartz. Add water until it is just below the top of the rocks.
*all the organic materials of the tree have been replaced with silicate minerals, usually a quartz, while maintaining the wood’s original structure. We will tumble these rocks using only coarse grit & polish rather th. You can simply cut the limb down into pieces of ⅛” or so in size to create a simple pendant.