Opal Stone – Natural, Specimen, Green
Blue-green opal veins in ferruginous (iron-rich) rock from Australia, from the collection of the Natural History Museum, London, UK. Photo by…
Blue-green opal veins in ferruginous (iron-rich) rock from Australia, from the collection of the Natural History Museum, London, UK. Photo by…
Front, transformable reversible earrings made with opal, paraíba tourmaline, and diamonds. Photo by Sara Rey photography. © Lindsay Jane…
Swirls of green in this deep blue opal are perfect for a pendant design inspired by nature. Pendant design by Michael Endlich. Photo by Sarah Francis.…
With trace amounts of uranium compounds, this hyalite opal is slightly radioactive and fluoresces under ultraviolet light. Photo by James…
Black opal, 16.42 cts, from Lightning Ridge, Australia. Photo by Daniel Mekis. Licensed under CC By-SA 3.0.
A great find. © Bonanza Opal Mines, Inc. Used with permission.
A contraluz opal from Mexico, illuminated from back (approximately 4 cts). Photo © Joel E. Arem, PhD, FGA. Used with permission.
A contraluz opal from Mexico, illuminated from front (approximately 4 cts). Photo © Joel E. Arem, PhD, FGA. Used with permission.
Semi-black opal: Australia (approximately 10 cts). Photo © Joel E. Arem, PhD, FGA. Used with permission.