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A quick search of the necessary information on the website "Encyclopedia of gems":
| ★ Onyx gemstone | |
| See also: | ★ Amber gemstone |
| ★ Demantoid gemstone |
The most popular stones in our encyclopedia:
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Amethyst gemstone -
Tsavorite gemstone -
Garnet gemstone -
Beryl gemstone -
Aquamarine gemstone -
Tourmaline gemstone