Oregon Holly Blue Chalcedony Agate 74 Gram Nugget| 10X10X8 15X10X8 |Blue 60 BeadBlue Oregon Holly Blue Chalcedony Agate 74 Grams Nugget Strand for Jewelry Making. This is for 1 genuine Holly Blue Chalcedony Agate Nugget strand of beads. These beads are such a beautiful set of colors and luminescence blues to light blue to lavender. Holly Blue comes only from one site near Lebanon, Oregon an area which has since been subsumed under the aegis of the BLM, so future mining is unlikely. Holly Blue Chalcedony is actually a lilac to