標 本 名: | 緑柱石 , アクアマリン (Beryl, Variety: Aquamarine)
| 化学組成: | Be3Al2Si6O18 | サ イ ズ: | | 重量: | | 透明: | | 数量 : | | 産地: | Minh Tien Mine, Luc Yen ("Yuang Yang"; "Yueng Yang"), Yenbai (Yen Bai) Province, ベトナム (Vietnam) | This aquamarine shows a unusual termination. This was cause by a neighboring crystal. The other part shows a normal good terminated pinacoid. The crystals has a good transparency and is not damaged.
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