Australian Boulder Opal Pendant, Freeform, 925 Silver, p3Australian Boulder Opal Pendant, 925 Silver The beautiful Boulder Opals were hand cut and polished by Paul himself because prices are once again increasing. The rich mahogany matrix is a perfect backdrop for those small but bright iridescent veins of precious Opal. The well made Bezel setting in 925 Sterling Silver also has an open back. Like all Boulder Opals there's a stable balance between the creative emotional veining of Opal and the grounded