← Fill Atlas

OPAL

253 recorded uses

DateClue
2026-03-16Gem mined in Australia
2025-11-15Gem with a "black" variety
2025-09-23Gem that's much mined in Australia
2025-09-08Iridescent stone
2025-08-24October birthstone
2025-08-07Gemstone found in hot springs
2025-06-06Milky resource found in the outback
2025-04-20Gem sometimes confused with a moonstone
2025-04-11Fitting name for a girl born in October
2025-02-05Iridescent stone
2024-11-16___ Lee, activist who led the movement to make Juneteenth a federal holiday
2024-11-12Iridescent gem
2024-11-04Birthstone for a Halloween baby
2024-10-26Birthstone that begins with the same letter as its month
2024-10-21Iridescent gem
2024-09-14What the ancient Romans called the "Cupid stone," considering it a symbol of love
2024-07-12"Because of Winn-Dixie" narrator
2024-06-10Gemstone with a "fire" variety
2024-06-04The gemstone Olympic Australis, for one
2024-03-24The Australia-shaped "Pride of Australia," for one
2024-01-16October birthstone
2023-12-19Iridescent gem
2023-12-11Gem whose name comes from "upala," the Sanskrit word for "precious stone"
2023-10-23Gemstone with a "fire" variety
2023-10-17October birthstone
2023-10-04Australian export
2023-05-16Fiery gem
2023-03-01October birthstone
2023-01-08Milky gemstone
2022-11-28Gem mined in Australia
2022-11-23Gemstone that can come from petrified wood
2022-09-26Birthstone for most Libras
2022-08-11Pick for a pendant
2022-08-04Stone with silica
2022-06-03Olympic Australis is a noted one
2022-04-19Milky gem
2022-02-10Stone with "fire" and "water" varieties
2022-01-06Birthstone after sapphire
2021-11-22Iridescent gem
2021-10-19October birthstone
2021-09-26Tometi who co-founded Black Lives Matter
2021-09-08___ glass (translucent ornamental material)
2021-07-28Gem that's a woman's name
2021-05-23Birthstone for Hillary Clinton, Kamala Harris and Alexandria Ocasio-Cortez
2020-12-01October birthstone
2020-11-23White gemstone
2020-09-20Gem that's also a name
2020-09-08Birthstone for many Libras
2020-08-07The Olympic Australis is the world's largest discovered one
2020-07-08___ Tometi, activist who co-founded Black Lives Matter
2020-07-06Gem found in the Outback
2020-06-22Gem with a play of colors
2020-06-01Down Under gemstone
2020-04-28Gemstone discovered on Mars in 2008
2020-03-10Milky white mineraloid
2019-12-23Iridescent birthstone
2019-12-04Birthstone that shares a first letter with its month
2019-10-31Bud
2019-09-21A symbol of Australia
2019-09-15Birthstone of some Scorpios
2019-05-06October's birthstone
2019-02-25Good name for a gemologist
2019-02-12October birthstone
2019-01-15Milky birthstone
2018-11-20Birthstone after sapphire
2018-09-11Milky white gem
2018-08-28Australia's national gem
2018-07-16Australia's national gemstone
2018-07-11Memorable 1995 hurricane
2018-06-06Precious stone that has been found on Mars (fun fact!)
2018-02-17Olympic Australis, for one
2017-09-11October birthstone
2017-09-04October birthstone
2017-08-06Iridescent stone
2017-07-04Fancy stone
2017-06-25Birthstone after sapphire
2017-06-13Girl's name that's also a 59-Down
2017-02-13October birthstone
2016-11-23Iridescent stone
2016-11-07Milky gemstone
2016-08-07Fall birthstone
2016-06-27Australian gem export
2016-03-24The Olympic Australis is the largest one in the world
2016-01-11October birthstone
2016-01-03Colorful gem
2015-09-10Stone that shimmers
2015-08-18Iridescent stone
2015-08-05Aunt in the "Judy Moody" book series
2015-07-27October birthstone
2015-06-01Milky gem
2015-05-28Olympic Australis is the world's largest one
2015-03-11Gem of a girl?
2015-01-05National gem of Australia
2015-01-04Kind of blue
2014-08-10Off-white shade
2014-06-08Harlequin ___ (multicolored gem)
2014-03-18Translucent gem
2014-02-28It's around 6 on the Mohs scale
2014-02-23___-blue
2013-12-01Libran stone
2013-11-13Gem of a girl?
2013-09-15Off-white shade
2013-09-10October gem
2013-07-30Gem of a girl?
2013-06-30It's worn by many Libras
2013-06-16Gemstone for most Libras
2013-06-08___ glass
2013-05-27Translucent gem
2013-05-10It's often set in a ring
2013-02-08Australian export
2013-01-09Gem for some Libras
2012-08-18Stone for a Libra, traditionally
2012-07-18Milky gem
2012-05-19The Olympic Australis, e.g.
2012-01-15Precious girl's name?
2012-01-09October birthstone
2011-10-12Pearly gem
2011-08-16Memorable 1995 hurricane with a gem of a name?
2011-07-09Pick for a pendant
2011-06-10Flame Queen ___ (famous gemstone)
2010-09-19Producer of a colorful ring tone
2010-04-06Birthstone for most Libras
2010-03-31Queensland gem
2010-02-15Milky gem
2009-11-16Fall birthstone
2009-10-26Milky white gem
2009-08-25Gem mined in Australia
2009-07-31Pendant option
2009-06-30Stone for many Libras
2009-05-19Stone for many Libras
2009-05-13Form of silica
2009-04-25It has a play of colors
2009-03-25Australian gem
2008-12-24Fire ___
2008-12-08Milky white gem
2008-11-26Stone for many Libras
2008-11-12Good name for a gemologist?
2008-09-15Down Under gemstone
2008-06-08Birthstone for some Libras
2008-05-26Iridescent gem
2008-05-25Autumn birthstone
2008-03-06Word with black or fire
2008-02-26October gem
2008-02-21Off-white shade
2007-11-21Nevada gemstone
2007-10-31Birthstone of someone born on Halloween
2007-05-17It's softer than quartz
2007-05-08Translucent gem
2007-03-28Australian mine find
2007-02-28It's worn by some Libras
2007-02-22Word with black or fire
2007-02-19October birthstone
2006-12-03Destructive 1995 hurricane
2006-05-11Fire ___
2006-01-04Australian export
2005-12-28Stone of many Libras
2005-09-05Milky white gem
2005-08-24Iridescent stone
2005-03-21Iridescent gem
2005-02-03___ glass
2005-02-02Gem for some Libras
2004-11-16Fire ___ (gem)
2004-10-26October birthstone
2004-09-20Iridescent stone
2004-09-13Milky gem
2004-07-26Colorful gem
2004-02-15Stone made of silicon and oxygen
2004-01-21Shimmering stone
2003-10-21Iridescent gem
2003-10-09Fire ___
2003-08-18Milky gem
2003-08-12Birthstone for many Libras
2003-04-14Silica gem
2003-04-09Ring gem
2003-04-06October's stone
2002-12-06Classic symbol of bad luck
2002-09-16Iridescent gem
2002-09-03Fire ___ (gem)
2002-08-18Shade of white
2002-06-10Gem with a play of colors
2002-05-12Iridescent mineral
2002-03-24It's less dense than quartz
2001-11-11Bringer of bad luck, in legend
2001-09-30A gem of a lady?
2001-09-05Shade of blue
2001-07-30Milky gem
2001-06-27Girasol, e.g.
2001-06-19Birthstone after sapphire
2001-04-30October's birthstone
2001-04-16Birthstone after sapphire
2001-04-15Fire ___
2001-04-07Virgin Valley valuable
2001-03-11Symbol of hope
2001-02-27Fall birthstone
2000-11-01October stone
2000-09-14Word with black or fire
2000-08-13Common name for hydrous silica
2000-07-28It's 6.5 on the Mohs scale
2000-07-17Iridescent gem
2000-07-02Girasol, e.g.
2000-04-24October birthstone
2000-02-03Solitaire item
1999-12-27Milky gem
1999-10-13Stone of many Libras
1999-07-11Stone of some Libras
1999-06-23Iridescent stone
1999-05-04It's found in a ring
1999-04-15Notorious '95 hurricane
1999-03-30Fiery gem
1999-01-28Autumnal stone
1999-01-04October's birthstone
1998-10-04Hydrophane or isopyre
1998-03-20Shade of blue
1998-01-18Memorable 1995 hurricane
1997-11-10Milky-white gem
1997-10-10Hyalite, e.g.
1997-09-25Fire ___
1997-09-03Translucent gem
1997-08-09Shade of blue
1997-07-30Stone with color flashes
1997-06-29Fire ___
1997-03-17Milky-white gem
1996-12-19Memorable 1995 hurricane
1996-12-16October gem
1996-11-20Kind of glass
1996-11-02Shade of blue
1996-09-01Fire ___
1996-07-31It's mined in South Australia
1996-06-11Fiery gem
1996-04-28Girasol
1996-01-14Libran's stone, maybe
1996-01-03Fire___
1995-12-17Form of silica
1995-11-01Destructive 1995 hurricane
1995-10-30Milky gem
1995-09-11Milky white gem
1995-06-19Milky gem
1995-06-16Word after fire or harlequin
1995-06-08Form of silica
1995-05-24Fiery gemstone
1995-04-26Fiery gemstone
1995-04-21Shade of blue
1995-04-10Gem
1995-03-12Solitaire item
1995-01-19Good luck charm of the Middle Ages
1995-01-13Shade of blue
1994-12-22Shade of gray
1994-12-08Harlequin _____ (varicolored stone)
1994-06-13October birthstone
1994-03-29October gem
1994-02-18Type of glass
1994-02-07Milky gem
1993-12-13Whitish gem