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.

A woman holds newly designed Indonesia Rupiah banknotes after exchanging her old bills at a Bank Indonesia mobile bank in Jakarta, Indonesia December 19, 2016. (Photo by Fatima El-Kareem/Reuters)

A reveler dances during the Carmelitas street party in Rio de Janeiro, Brazil, Friday, March 1, 2019. Much of the appeal of Rio street parties is the variety of themes and that people can dress up in costumes or not. (Photo by Leo Correa/AP Photo)

A security guard tries to separate a boy who hugs India's captain Rohit Sharma, right, after invading the field of play during the second one-day international cricket match between India and New Zealand in Raipur, India, Saturday, January 21, 2023. (Photo by Aijaz Rahi/AP Photo)

A tourist wearing Hanfu, a style of clothing traditionally worn by the Han people, poses for a photo with blooming cherry blossoms on International Women's Day on March 8, 2024 in Kunming, Yunnan Province of China. (Photo by VCG/VCG via Getty Images)

A cat cries out while sitting before a destroyed cabin from a tornado at Paradise Ranch RV Resort in Tylertown, Miss., Sunday, March 16, 2025. (Photo by Rogelio V. Solis/AP Photo)

This picture taken on June 18, 2025 shows a woman posing for a picture next to the character Mokoko as she visits Pop Mart's theme park Pop Land in Beijing. (Photo by Pedro Pardo/AFP Photo)

A woman poses for a photograph with light sculptures depicting animals that make up the twelve animals of the zodiac during a photocall to promote the Magical Lantern Festival at Chiswick House Gardens in west London on January 29, 2016. The festival, to celebrate Chinese New Year 2016 – the Year of the Monkey, uses more than 50 hand-sculpted lanterns and is set to run from Febuary 3 to March 6, 2016. (Photo by Justin Tallis/AFP Photo)