USE 12" RULER IN PICTURE FOR SCALE - ONCE GEODE IS SELECTED, CLICK ON PICTURE AGAIN TO ENLARGE IT FOR DETAILED PHOTO 21" TALL SUPERIOR sold Jay BLACK AMETHYST GEODE $385.00 SCREAMING YELLOW CALCITE $255.00 SMOKY QUARTZ GEODE ! $425.00 UNIQUE TWINS sold ! ignacius REPAIRED DONUT SLICE. $190.00 GIANT AMETHYST CRYSTAL CLUSTER $370.00 CRIMSON COLORED RARE GEODE $325.00