| OPAL | "Fiery" gem |
| OPAL | "How ___ Mehta Got Kissed, Got Wild, and Got a Life" (Kaavya Viswanathan novel) |
| OPAL | "The ___ Deception" (fourth book in Eoin Colfer's "Artemis Fowl" series) |
| OPAL | ''Fire'' valuable |
| OPAL | 14th-anniversary gift |
| OPAL | 1995 Gulf Coast hurricane name, or a birthstone |
| OPAL | 1995 hurricane |
| OPAL | 1995 hurricane name that's also a precious stone |
| OPAL | 1995 hurricane that damaged the Florida Panhandle |
| OPAL | A gem of a lady? |
| OPAL | A precious one is iridescent |
| OPAL | A stone for Jimmy Carter |
| OPAL | A symbol of Australia |
| OPAL | A translucent gem from Australia, which is the birthstone for October |
| OPAL | A translucent gem that is the national gem of Australia |
| OPAL | Abundant gemstone Down Under |
| OPAL | Amorphous form of hydrated silica used as a gemstone |
| OPAL | Aunt in the "Judy Moody" book series |
| OPAL | Aussie gemstone |
| OPAL | Australia's gemstone |
| OPAL | Australia's national gem |
| OPAL | Australia's national gemstone |
| OPAL | Australian export |
| OPAL | Australian gem |
| OPAL | Australian gem export |
| OPAL | Australian gem with "fire" and "jelly" varieties |
| OPAL | Australian gemstone |
| OPAL | Australian mine find |
| OPAL | Australian mine yield |
| OPAL | Australia’s national gem |
| OPAL | Autumn birthstone |
| OPAL | Autumnal birthstone |
| OPAL | Autumnal stone |
| OPAL | Beautiful form of silica |
| OPAL | Birthstone |
| OPAL | Birthstone after sapphire |
| OPAL | Birthstone before topaz |
| OPAL | Birthstone between sapphire and topaz |
| OPAL | Birthstone for October |
| OPAL | Birthstone for many Libras |
| OPAL | Birthstone for most Libras |
| OPAL | Birthstone for some Libras |
| OPAL | Birthstone from Australia |
| OPAL | Birthstone from Down Under |
| OPAL | Birthstone of October |
| OPAL | Birthstone of some Libras |
| OPAL | Birthstone of some Scorpios |
| OPAL | Birthstone of someone born on Halloween |
| OPAL | Birthstone that begins with the same letter as its associated month |
| OPAL | Birthstone that follows sapphire |
| OPAL | Birthstone that shares a first letter with its month |
| OPAL | Birthstone that's often milky white |
| OPAL | Birthstone that’s technically a mineraloid |
| OPAL | Birthstone whose first letter is the same as that of its month |
| OPAL | Bringer of bad luck, in legend |
| OPAL | Bud |
| OPAL | Cabochon stone |
| OPAL | Cameo stone |
| OPAL | Classic symbol of bad luck |
| OPAL | Cloudy gem |
| OPAL | Colorful Australian gem |
| OPAL | Colorful Australian gemstone |
| OPAL | Colorful gem |
| OPAL | Colorful ring tone producer? |
| OPAL | Colorful stone |
| OPAL | Common name for hydrous silica |
| OPAL | Destructive 1995 hurricane |
| OPAL | Diamond alternative for engagement rings |
| OPAL | Down Under gem |
| OPAL | Down Under gemstone |
| OPAL | Episc___: church feature |
| OPAL | Fall birthstone |
| OPAL | Fancy stone |
| OPAL | Fiery October birthstone |
| OPAL | Fiery gem |
| OPAL | Fiery gemstone |
| OPAL | Fire ___ |
| OPAL | Fire ___ (Mexican gemstone) |
| OPAL | Fire ___ (bright gemstone) |
| OPAL | Fire ___ (brilliantly colored gemstone) |
| OPAL | Fire ___ (gem) |
| OPAL | Fire ___ (translucent gemstone) |
| OPAL | Fire___ |
| OPAL | Flame Queen ___ (famous gemstone) |
| OPAL | Form of silica |
| OPAL | Gem |
| OPAL | Gem for some Libras |
| OPAL | Gem found in the Outback |
| OPAL | Gem found mostly in Australia |
| OPAL | Gem from Australia |
| OPAL | Gem from Australia's Coober Pedy, maybe |
| OPAL | Gem from Down Under |
| OPAL | Gem from the Latin for "precious stone" |
| OPAL | Gem mined in Australia |
| OPAL | Gem of a girl? |
| OPAL | Gem stone |
| OPAL | Gem such as Olympic Australis |
| OPAL | Gem that can absorb water |
| OPAL | Gem that can diffract light |
| OPAL | Gem that is mined primarily in Australia |
| OPAL | Gem that may be semitransparent |
| OPAL | Gem that's a form of silica |
| OPAL | Gem that's also a name |
| OPAL | Gem with "boulder" and "fire" varieties |
| OPAL | Gem with "fire" and "black" varieties |
| OPAL | Gem with a "fire" variety |
| OPAL | Gem with a milky appearance |
| OPAL | Gem with a play of color |
| OPAL | Gem with a play of colors |
| OPAL | Gem with some water |
| OPAL | Gemstone |
| OPAL | Gemstone discovered on Mars in 2008 |
| OPAL | Gemstone for most Libras |
| OPAL | Gemstone in a variety of colors |
| OPAL | Gemstone mined in Australia |
| OPAL | Gemstone mined in the Land Down Under |
| OPAL | Gemstone mined mostly in Australia |
| OPAL | Gemstone mined primarily in Australia |
| OPAL | Gemstone mostly mined in Australia |
| OPAL | Gemstone noted for its rich iridescence |
| OPAL | Gemstone of hydrated silica |
| OPAL | Gemstone owned by a Libra, perhaps |
| OPAL | Gemstone with a "fire" variety |
| OPAL | Gemstone with white, black, and fire color varieties |
| OPAL | Girasol |
| OPAL | Girasol, e.g. |
| OPAL | Girl's name that's also a 59-Down |
| OPAL | Good luck charm of the Middle Ages |
| OPAL | Good name for a gemologist |
| OPAL | Good name for a gemologist? |
| OPAL | Halloween baby's birthstone |
| OPAL | Harlequin ___ (multicolored gem) |
| OPAL | Harlequin _____ (varicolored stone) |
| OPAL | Hyalite |
| OPAL | Hyalite, e.g. |
| OPAL | Hyalite, for one |
| OPAL | Hydrophane or isopyre |
| OPAL | Iridescent Australian gem |
| OPAL | Iridescent birthstone |
| OPAL | Iridescent gem |
| OPAL | Iridescent gem that sounds like a German car company |
| OPAL | Iridescent gemstone |
| OPAL | Iridescent gemstone, or the name of a 1995 hurricane |
| OPAL | Iridescent mineral |
| OPAL | Iridescent stone |
| OPAL | Iridescent stone from Australia |
| OPAL | Iridescent white gem |
| OPAL | Iridescent white gem that's October's birthstone |
| OPAL | It has a play of colors |
| OPAL | It's 6.5 on the Mohs scale |
| OPAL | It's around 6 on the Mohs scale |
| OPAL | It's found in a ring |
| OPAL | It's less dense than quartz |
| OPAL | It's mined in South Australia |
| OPAL | It's often set in a ring |
| OPAL | It's softer than quartz |
| OPAL | It's worn by many Libras |
| OPAL | It's worn by some Libras |
| OPAL | Kaavya Viswanathan's "How ___ Mehta Got Kissed, Got Wild, and Got a Life" |
| OPAL | Kind of blue |
| OPAL | Kind of glass |
| OPAL | Libra's birthstone |
| OPAL | Libra's birthstone, maybe |
| OPAL | Libran birthstone |
| OPAL | Libran stone |
| OPAL | Libran's stone, maybe |
| OPAL | Light-colored birthstone |
| OPAL | Lustrous gem |
| OPAL | Lustrous gemstone |
| OPAL | Lustrous stone |
| OPAL | Lustrous white gem |
| OPAL | Memorable 1995 hurricane |
| OPAL | Memorable 1995 hurricane with a gem of a name? |
| OPAL | Milky birthstone |
| OPAL | Milky gem |
| OPAL | Milky gem that's the birthstone for October |
| OPAL | Milky gem with glints of color |
| OPAL | Milky gemstone |
| OPAL | Milky october gem |
| OPAL | Milky precious stone |
| OPAL | Milky stone |
| OPAL | Milky white gem |
| OPAL | Milky white gem which is October's birthstone |
| OPAL | Milky white gemstone |
| OPAL | Milky white gemstone with glints of color |
| OPAL | Milky white kind of glass |
| OPAL | Milky white mineraloid |
| OPAL | Milky white precious stone |
| OPAL | Milky-colored birthstone |
| OPAL | Milky-colored birthstone of October |
| OPAL | Milky-colored gem |
| OPAL | Milky-colored gem from Australia |
| OPAL | Milky-colored gemstone |
| OPAL | Milky-looking gemstone |
| OPAL | Milky-looking stone |
| OPAL | Milky-white birthstone |
| OPAL | Milky-white birthstone gem for October |
| OPAL | Milky-white gem |
| OPAL | Milky-white gemstone |
| OPAL | Mineral |
| OPAL | Mineraloid found on Mars |
| OPAL | Multicolored gem |
| OPAL | National gem of Australia |
| OPAL | National gemstone of Australia |
| OPAL | Nevada gemstone |
| OPAL | Notorious '95 hurricane |
| OPAL | October birthstone |
| OPAL | October gem |
| OPAL | October gemstone |
| OPAL | October stone |
| OPAL | October's birthstone |
| OPAL | October's jewel |
| OPAL | October's stone |
| OPAL | Oculus mundi |
| OPAL | Off-white shade |
| OPAL | Old friend gets a stone |
| OPAL | Old friend gets stone |
| OPAL | Olympic Australis is the world's largest one |
| OPAL | Olympic Australis, for one |
| OPAL | Opaque gem |
| OPAL | Pearly gem |
| OPAL | Pendant option |
| OPAL | Pick for a pendant |
| OPAL | Play-of-color gem |
| OPAL | Play-of-color gemstone |
| OPAL | Porous gem |
| OPAL | Precious girl's name? |
| OPAL | Precious grey or white stone |
| OPAL | Precious multicolored rock |
| OPAL | Precious stone |
| OPAL | Precious stone that has been found on Mars (fun fact!) |
| OPAL | Producer of a colorful ring tone |
| OPAL | Quartz like gemstone |
| OPAL | Quartz-like gemstone |
| OPAL | Queensland gem |
| OPAL | Ring friend for a stone |
| OPAL | Ring gem |
| OPAL | Ring mate to get a stone |
| OPAL | Scorpio stone |
| OPAL | Scorpio's birthstone |
| OPAL | Scorpio's gemstone |
| OPAL | Semiprecious gem |
| OPAL | Semiprecious gemstone |
| OPAL | Semiprecious stone |
| OPAL | Semitransparent gem |
| OPAL | Semitransparent stone |
| OPAL | Shade of blue |
| OPAL | Shade of gray |
| OPAL | Shade of white |
| OPAL | Shimmering birthstone |
| OPAL | Shimmering gem |
| OPAL | Shimmering stone |
| OPAL | Shop alarm protecting gem |
| OPAL | Shop always displays precious stone |
| OPAL | Silica gem |
| OPAL | Silica mineral stone |
| OPAL | Solitaire item |
| OPAL | Stone for a Libra, traditionally |
| OPAL | Stone for many Libras |
| OPAL | Stone for many a Libra |
| OPAL | Stone for most Libras |
| OPAL | Stone for some Scorpios |
| OPAL | Stone in pendants |
| OPAL | Stone made of hydrated silica |
| OPAL | Stone made of silicon and oxygen |
| OPAL | Stone of many Libras |
| OPAL | Stone of some Libras |
| OPAL | Stone old chum |
| OPAL | Stone that shimmers |
| OPAL | Stone with color flashes |
| OPAL | Stone with rainbow-like colors |
| OPAL | Symbol of hope |
| OPAL | The 17,000-carat Olympic Australis is the largest ever found |
| OPAL | The 17,000-carat Olympic Australis, e.g. |
| OPAL | The Empress of Australia, for one |
| OPAL | The National gemstone of Australia |
| OPAL | The Olympic Australis is the largest one in the world |
| OPAL | The Olympic Australis is the world's largest discovered one |
| OPAL | The Olympic Australis, e.g. |
| OPAL | The national gemstone of Australia |
| OPAL | Translucent October birthstone |
| OPAL | Translucent birthstone |
| OPAL | Translucent gem |
| OPAL | Translucent gem from Australia that is the October birthstone |
| OPAL | Translucent gemstone |
| OPAL | Translucent gemstone from Australia |
| OPAL | Translucent mineral |
| OPAL | Type of gem that's featured in the movie "Uncut Gems" |
| OPAL | Type of glass |
| OPAL | Typically semi-transparent gemstone |
| OPAL | Varying color gemstone |
| OPAL | Virgin Valley valuable |
| OPAL | Water-holding gem |
| OPAL | White gem |
| OPAL | White gem that's the birthstone for October |
| OPAL | White gemstone |
| OPAL | White gemstone that's also a woman's name |
| OPAL | White stone |
| OPAL | Whitish October birthstone |
| OPAL | Whitish birthstone |
| OPAL | Whitish birthstone for October |
| OPAL | Whitish gem |
| OPAL | Whitish gem that's the birthstone for October |
| OPAL | Whitish gemstone |
| OPAL | Word after fire or harlequin |
| OPAL | Word from the Sanskrit for "stone" |
| OPAL | Word with black or fire |
| OPAL | ___ Tometi, activist who co-founded Black Lives Matter |
| OPAL | ___ glass |
| OPAL | ___-blue |