It's mokume gane, Japanese "wood-grained metal" - layers of various alloys of copper, silver and gold, hammered, sanded and oxidized to show off different colors. Cool stuff to work with:)
Any sufficiently advanced technology is indistinguishable from a rigged demo.
- Andy Finkel, computer guy
cool (Score:2)
the stone is so interesting looking. i like the way you cut it.
Re: (Score:1)