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.

American model, fashion influencer and social media personality Olivia Culpo shows underboob while celebrating New York Fashion Week on September 8, 2022. (Photo by oliviaculpo/Instagram)

American singer, dancer, and media personality Ashley Roberts seen leaving Glamour Women Of The Year Awards at Outernet on November 08, 2022 in London, England. (Photo by (Photo by TOT/The Mega Agency)

A woman dressed in traditional Oromo costume attends a swearing ceremony of the newly named 72nd Borana Pastoralist chief, “Aba Gada” Guyo Wariyo in Arero, Ethiopia on March 9, 2025. (Photo by Tiksa Negeri/Reuters)

A woman jumps over a fire during the celebration of the summer solstice at a festival in the village of Okunevo in Omsk region, Russia on June 22, 2025. (Photo by Alexey Malgavko/Reuters)

These romantic sepia shots show lovers enjoying quiet, unguarded moments together – but the subjects are not besotted couples; they are fearsome big cats. Freelance snapper Goran Anastasovski has devoted more than 10 years of his life to photographing big cats and other animals. The 46-year-old from Macedonia aims to emphasize their human qualities in his photographs. (Photo by Goran Anastasovski/Caters News)

Bangladeshi Muslim devotees arrive in an over-crowded train to attend the final day of an Islamic congregations' first phase in Tongi, 20 kilometers (13 miles) north of Dhaka, Bangladesh, Sunday, January 10, 2016. The second phase of the annual event, one of the world's largest congregations of Muslims is scheduled to begin Friday. (Photo by A.M. Ahad/AP Photo)

People look at the Harmony of the Seas cruise ship leaving the STX shipyard of Saint-Nazaire, western France, for a three-day test offshore, on March 10, 2016. With a capacity of 6.296 passengers and 2.384 crew members, the Harmony of the Seas, built by STX France for the Royal Caribbean International, is the world's largest ship cruise. (Photo by Loic Venance/AFP Photo)