標 本 名: | クリソベリル (Chrysoberyl) / アレキサンドライト (Alexandrite)
| 化学組成: | BeAl2O4 | サ イ ズ: | | 重量: | | 透明: | | 数量: | | 産地: | Emerald mines (Izumrudnye Kopi; Malyshevskoe deposit), Tokovaya river (Tokovaia river), Malyshevo, Ekaterinburg (Sverdlovsk), Ekaterinburgskaya (Sverdlovskaya) Oblast', Middle Urals, Urals Region, ロシア ( Russia) | Here you get an alexandrite crystal in matrix from the Ural Mountains. The chrysoberyl shows intact crystal faces and the distinctive v-shape striations. Only minor damages are present the prism faces and most of the terminations are intact.
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