Rocks Slabs and Specimens › Trancas geode uncracked Image 1 of 1 Trancas geode uncracked $18.00 3 inch diameter, generally white crystals that will fluoresce green under shortwave. Add To Cart Added! 3 inch diameter, generally white crystals that will fluoresce green under shortwave. Reviews Reviewer Name Review Date Star Rating Description Posted on Etsy Product Show More