People sit next to an art installation during the “Plastic Dinoland” exhibition by Japanese artist Hiroshi Fuji, in Hanoi, Vietnam, 17 March 2025. The exhibition, which features colorful installations of dinosaurs made from discarded toys, runs from 15 March to 01 June 2025 at The Japan Foundation in Hanoi. (Photo by Luong Thai Linh/EPA/EFE)

There is an endless bounty of eye-catching gemstones throughout the world and this spectacular boulder opal is one unique beauty that looks like a shimmering crystal encased in a tree fossil. Its opalescent sheen seeps through the cracks of the seemingly wooden rings in lustrous hues of emerald green and aqua blue. Like something out of a fairy tale, the triangular piece radiates through an organic pattern mimicking the growth rings of tree.

Cheering The News of Germany's Surrender New Yorkers Gather around a youth wearing a mask of Adolf Hitler to cheer the news of the Surrender of Germany on May 7. The Crowd is gathered in times Square, New York. May 08, 1945. (Photo by New York Post/Photo Archives, LLC via Getty Images)

A steam traction engine with a broken rear axle in Pall Mall, London. (Photo by Topical Press Agency/Getty Images). November 1923

People dressed as a zombie taking part in Zombie Parade on a streets of Belgrade during a zombie walk in Belgrade, on October 26, 2014. The zombie walk is part of the events of upcoming Serbian film fiction festival. (Photo by Oksana Toskic/SIPA Press)

A fan of Colombia wears a tiger costume prior to the FIFA Women's World Cup Australia & New Zealand 2023 Group H match between Germany and Colombia at Sydney Football Stadium on July 30, 2023 in Sydney, Australia. (Photo by Justin Setterfield/Getty Images)

On the morning of the February 18th, 2025, a foreign tourist wearing a scarf walks past a store window with spring clothes hanging on the street in Myeongdong, Seoul. (Photo by Park Seong-won)

Participants in costumes pose before a Halloween parade in Kawasaki, south of Tokyo, Japan on October 28, 2018. (Photo by Toru Hanai/Reuters)