標 本 名: | 電気石, エルバイト(リチア電気石)
| 化学組成: | Na(Li1,5AL1,5)Al6(BO3)3[Si6O18](OH)3(OH) | サ イ ズ: | | 重量: | | 透明: | | 数量: | | 産地: | Laghman (Lagman; Nuristan) Province, アフガニスタン (Afghanistan) | This is a doubly terminated gemmy bright green Tourmaline surrounded by quartz and albite crystals. Also smaller crystals of tourmaline are attached on quartz. Furthermore you see a fine big idiomorph albite and some quartz crystals. Nice specimen!
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