Boulder Opals are brown in color with iridescences of violet-blue shades. Australian deposit
Frame: Author's, handmade, made of 925 * silver with blackening, on the reverse side of the bail there is a nameplate and a sample of the State Assay Chamber.
Pendant:
The size of the stones is 15x20x5 mm; 12x27x5 mm; 15x30x5 mm.