標 本 名: | トルマリン, ウヴァ石 (Tourmaline, Variety: Uvite (Verdelite))
| 化学組成: | [Ca][(Mg,Fe2+)3][MgAl5][(OH)3|F|(BO3)3|Si6O18] | サ イ ズ: | | 重量: | | 透明: | | 数量: | | 産地: | Badakhshan (Badakshan; Badahsan) Province, アフガニスタン (Afghanistan) | This is a rare uvite crystal on calcite from Badakhshan in Afghanistan. The main crystal is undamaged and shows fine luster . Rare specimen from this locality!
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