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| amethyst |
a purple gem used in jewelry. Amethyst is a kind of quartz. |
| facet |
one of the small, flat, polished surfaces of a cut gem. |
| jewel |
a special stone that has been cut and made smooth; gem. Jewels are used to make jewelry and ornaments. [1/2 definitions] |
| pearl |
a smooth, round gem that is formed inside the shells of oysters. A pearl forms to cover something, such as a grain of sand, that gets stuck in an oyster and irritates it. |
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