Roll Your Own - Building A Rock Tumbler
The Background. As mentioned elsewhere I spent most of 1999 in east central Texas working on a Y2K computer remediation project, and eventually returned from Texas with no small amount of petrified wood. One of the very nicest things I brought back was a 5 inch chunk of a petrified palm root ball. Since almost all of the fossil wood from that area is encrusted with a whitish rind, I knew I'd ...
