標 本 名: | 緑柱石 , アクアマリン (Aquamarine)
| 化学組成: | Be3Al2Si6O18 | サ イ ズ: | | 重量: | | 透明: | | 数量: | | 産地: | Shigar Valley, Skardu District, Baltistan, Northern Areas, パキスタン (Pakistan) | Here you get a kind of “ skeleton” aquamarine crystal, the crystal itself is fully intact they are no fracture planes visible. the crystal must have been in contact with aggressive fluids, those have been partly dissolved in accounts of the crystal stop you can see hollow tubes going through the whole crystal. A bizarre and very interesting collector’s item.
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