標 本 名: | 緑柱石 , アクアマリン / 長石（グループ, 斜長石, 曹長石 )
| 化学組成: | Be3Al2Si6O18 / Mn2+3Al2[SiO4]3 | サ イ ズ: | | 重量: | | 透明: | | 数量: | | 産地: | Shigar Valley, Skardu District, Baltistan, Northern Areas, パキスタン (Pakistan) | This is a fine aquamarine crystal with two spessartine crystals on the basal termination. The aquamarine is multiple parallel twinned and has no damages. All termination as well as all prism faces are intact and display partly imprints of former touched spessartine crystals. Furthermore you can see small spessartine crystals embedded in the aquamarine. A very fine exceptional beryl crystal from Pakistan!
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