White Opal - 2.90 ct - Antwerp Laboratory for Gemstone Testing (ALGT) - Vivid #gemstone #opalescence #play of colors #precious opal #sedimentary minerals #white opal
17cts Crystal Opal Specimen- 3.47 g #crystal opal #gemstone collectors #hydrated silica #jewelry gems #opalescence #play-of-color #precious gemstones #precious stones #translucent opal
