| Mineral giving one backbone at beginning of Lent (6) |
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| Magnesium aluminate (6) |
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| Ruby look-alike |
Wall Street Journal |
13 Jul 2024 |
| Red ___ (gemstone) |
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| Rubylike gem |
New York Times |
20 Mar 2022 |
| Mineral crystal found in Scots pine log |
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| Rubylike gemstone |
LA Times Daily |
12 Aug 2020 |
| Rubylike gemstone |
The Washington Post |
12 Aug 2020 |
| Gemstone mined in Sri Lanka |
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| Rubylike gem |
The Washington Post Sunday |
03 Jun 2018 |
| Mineral used as a gem |
Universal |
19 Feb 2016 |
| Rubylike gem |
New York Times |
16 May 2015 |
| Rubylike gem |
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| The Black Prince's Ruby is one |
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| Mineral used as a gem |
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| Rubylike gemstone |
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| Mineral containing magnesium |
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| Mineral used as a gem |
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| Rubylike gemstone |
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| Reddish mineral |
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| Crystalline gemstone |
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| Ruby ___ (gem) |
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| Ruby variety |
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| Red gem. |
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| Ornamental stone |
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| Kind of ruby. |
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