| Modern watch crystal (6) |
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| Common rock crystal |
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| Crystal used in watches (6) |
Puzzler |
26 Nov 2023 |
| Silicon dioxide mineral |
The Telegraph Quick |
22 Oct 2023 |
| Hard mineral composed of silicon dioxide |
The Guardian Quick |
30 Mar 2023 |
| Hard silica mineral |
The Times Concise |
24 Dec 2022 |
| Colourless glass made of almost pure silica |
The Guardian Quick |
29 Nov 2022 |
| Amethyst is a purple form of it |
USA Today |
17 Sep 2022 |
| Common rock mineral |
The Telegraph Quick |
06 Jul 2022 |
| Stated amounts of liquid that can be found in minerals |
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| Silica mineral |
The Times Concise |
05 Sep 2021 |
| Hard mineral such as amethyst or citrine, say |
Irish Times Simplex |
10 May 2021 |
| It's Rocky, ordering at least four pints |
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| Mineral tinged with impurities giving a variety of shades |
Irish Times Simplex |
26 Feb 2021 |
| Rock as a result of a couple of pints with a character at the end |
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| Glassy mineral |
The Telegraph Quick |
23 Apr 2020 |
| Question skill with unknown mineral |
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| Mineral measures announced |
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| Watch-crystal mineral |
Newsday |
11 Sep 2019 |
| Mineral primarily a compound of 13, reduced by measure unknown |
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| Common mineral measures we're told |
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| Hard mineral |
The Telegraph Quick |
12 Jun 2018 |
| Crystalline mineral |
The Times Concise |
16 May 2018 |
| Hard mineral |
The Times Concise |
02 Mar 2018 |
| Rose __: reddish mineral |
LA Times Daily |
27 Jan 2018 |
| Rose __: reddish mineral |
The Washington Post |
27 Jan 2018 |
| Rose __: reddish mineral |
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| After a couple of pints, Zoe loses old English gemstone |
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| Queen gets tzar's collection of crystal |
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| The crystal in some crystal balls |
New York Times |
20 Aug 2017 |
| Mineral: at least four pints spoken of? |
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| Stone such as amethyst or cairngorm |
Irish Times Simplex |
20 Mar 2017 |
| The crystal in some crystal balls |
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| Silica |
The Telegraph Quick |
02 Apr 2016 |
| Mineral in a measure of liquid, unknown |
The Guardian Cryptic |
01 Oct 2015 |
| Mineral and two pints, followed by unknown quantity |
The Telegraph Cryptic |
29 Sep 2015 |
| Mineral |
The Telegraph Quick |
28 Aug 2015 |
| Hard stuff requiring skill to take one's place in knowledge test |
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| Citrine or amethyst |
LA Times Daily |
19 Feb 2015 |
| Citrine or amethyst |
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| Amethyst, e.g. |
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| It's 7 on the Mohs scale of hardness |
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| Amethyst or citrine |
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| Silicon mineral |
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| Crystal in some watches |
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| In pursuit of unknown amount of liquid crystal |
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| Crystalline mineral |
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| What a crystal ball gazer sees |
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| Crystalline mineral |
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| Crystalline mineral |
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| Onyx or amethyst |
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| Onyx or amethyst |
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| Tiger's-eye, essentially |
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| 7 on the Mohs scale |
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| Crystalline mineral |
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| Kind of watch |
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| Watch-crystal mineral |
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| Kind of watch |
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| Jasper or onyx |
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| Hard rock |
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| Vibrating crystal |
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| Seven on the Mohs' scale |
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| Basis for some watches |
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| Sand's main ingredient |
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| Amethyst or sandstone |
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| Jasper or agate |
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| Kind of crystal. |
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| Mineral. |
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| Form of silica. |
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| Silica. |
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| Amethyst, rock crystal, etc. |
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| Makeup of some gems and wristwatches |
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