標 本 名: | クリソベリル (Chrysoberyl)
| 化学組成: | BeAl2O4 | サ イ ズ: | | 重量: | | 透明: | | 数量: | | 産地: | Rakwana, Ratnapura, Province of Sabaragamuwa, スリランカ (Sri Lanka) | Here you get a fine cyclic chrysoberyl twinned crystal with partly cutting grade transparency and a fine yellow color. There are no damages at all ! Beautiful reference specimen from Sri Lanka
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