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from Etsy

Boulder Opal Earrings in Sterling and 18k Gold

Boulder Opal Earrings in Sterling and Gold by LindaBlumel !!!great. off

from Etsy

Victorian Antique Opal Necklace - Yellow Gold, Ruby, Diamond, Opal Brooch/Pendant

Brooch | Marie Zimmermann. Gold, black opal, shattuckite, green tourmalines, emeralds, sapphires, rubies, and enamel. ca. 1920 - 1928 i think this could be a mix of black and black boulder opal