標 本 名: | 緑柱石 , アクアマリン / エルバイト(トルマリン) ショール (鉄エルバイト(トルマリン)) (Aquamarine / Schorl)
| 化学組成: | Be3Al2Si6O18 / NaFe3+2Al6(BO3)3[Si6O18](OH)3(OH) | 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 a colorless goshenite intergrown with a schorl crystal. The schorl crystal displays a very thin area at the top with some transparency. Both crystals are fully intact, in-between tourmaline and beryl you can spot some muscovite crystals and at that the base you can see some quartz as well. Fine association of four minerals from Pakistan.
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