Australian Boulder Opal Specimen 74
A boulder opal from Queensland, Australia, with vivid blue sections contrasting against clear opal, measuring 78 mm L x 70 mm H x 52 mm W and weighing 0.44 kg.
A boulder opal from Queensland, Australia, with vivid blue sections contrasting against clear opal, measuring 78 mm L x 70 mm H x 52 mm W and weighing 0.44 kg.