Navy midshipmen celebrate a Navy touchdown during the second half of an NCAA college football game, Saturday, December 14, 2019, in Philadelphia. Navy won 31-7. (Photo by Jonathan Newton/The Washington Post)

Soccer fans wearing Argentina's football team jersey arrive at workers' stadium to watch a friendly match between Australia and Argentina in Beijing on June 15, 2023. (Photo by Jade Gao/AFP Photo)

Fans of American football gathered at Tottenham Hotspur Stadium to watch the Jacksonville Jaguars win against the Buffalo Bills 25-20 in the NFL on October 08, 2023 in London, England. (Photo by Peter Tarry/The Times)

The Liberty Flames take the field before a football game against the Florida International University Panthers at Williams Stadium on October 08, 2024 in Lynchburg, Virginia. (Photo by David Jensen/Getty Images)

Pittsburgh Steelers outside linebacker T.J. Watt (90) is introduced before an NFL football game against the Detroit Lions in Pittsburgh, Sunday, November 14, 2021. (Photo by Don Wright/AP Photo)

Robots of the Zurich Federal Institute of Technology play a football game during the International Telecommunication Union (ITU) AI for Good Global Summit in Geneva on May 30, 2024. (Photo by Fabrice Coffrini/AFP Photo)

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.