標 本 名: | 緑柱石 , アクアマリン (Aquamarine)
| 化学組成: | Be3Al2Si6O18 | サ イ ズ: | 37,0 x 31,6 x 26,8
クリスタル: 12,4 x 6,4 x 6,4 mm | 重量: | | 透明: | | 数量: | | 産地: | Darra-i-Pech (Pech; Peech; Darra-e-Pech) Pegmatite Field, Nangarhar (Ningarhar) Province, アフガニスタン (Afghanistan) | Fine blue Aquamarine crystal imbedded in feldspar and sounded by schorl crystal one is also doubly terminated. The beryl itself shows tiny damaged at one edge, all other sides and also the tourmaline crystal are fully intact.
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