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: | Kahawatta, Province of Sabaragamuwa, スリランカ (Sri Lanka) | This is a very interesting and unusual cyclic chrysoberyl twinned crystal! The specimen is fully crystallized without any damage and shows good luster and transparency. The striking point is the elongated prismatic habit of this cyclic twin. Normally cyclic twins remain pretty flat but this one reach’s up to 1 cm in size! A great collector item!
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