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:)
If it is a Miracle, any sort of evidence will answer, but if it is a Fact,
proof is necessary.
-- Samuel Clemens
cool (Score:2)
the stone is so interesting looking. i like the way you cut it.
Re: (Score:1)