Halley's Comet Opal | EraGem Post's Legendary Birthstone
Oct 31, 2019 · The Halley's Comet Opal remains one of the world's largest uncut black opal nodules ever found. Recorded in 1991, in the Guinness Book of World Records, the exquisite opal specimen measures 4 x 2-5/8 x 2-1/2 inches, weighing 1982.5 carats. In December 2013, Bonhams Auction house offered the legendary opal for auction in Los Angeles.
DA: 82 PA: 28 MOZ Rank: 57