- These tumbled prehnite were a happy find at the Tucson Gem show. Each of these stone are 20/30mm, and they are each so different. I can stare at these for hours and still find new little flecks and color variations in these.
- 1 Piece, you pick the size.
Prehnite is an inosilicate of calcium and aluminum. There are so many inclusions and different minerals in these. So neat.