Emerald the green precious gemstone
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(Создана новая страница размером Emerald is a variety of beryl (thus the structure and properties of this mineral) that may have a red fluorescence under UV-light emerald ...) |
(Создана новая страница размером Emerald is a variety of beryl (thus the structure and properties of this mineral) that may have a red fluorescence under UV-light emerald ...) |