標 本 名: | 緑柱石 , エメラルド (Beryl, Variety: Emerald)
| 化学組成: | Be3Al2Si6O18 | サ イ ズ: | | 重量: | | 透明: | | 数量: | | 産地: | Panjsher Province (Panjsheer Province; Panjshir Province; Panjsher Valley; Panjshir Valley), アフガニスタン (Afghanistan) | Great emerald specimen with uncountable small crystals partly gemmy and with terminations, the whole piece has almost no matrix almost pure emerald!! Great specimen rarely offered from this locality.
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