A 3/4 Pound (340 Gram) Raw/Rough Nevada WONDERSTONE (Banded Rhyolite,  A Type Of Jasper) for Slabbing, Cabbing, Wire Wrapping, Jewelry Making, Art, Crafting, Decoration, Display,  Specimen or Collecting. 4" Inches x 3" Inches x 2 Inches. Wonderstone is found in various Colors. Patterns run through the entire stone and no two Stones  are exactly alike.