標 本 名: | 電気石 - ショール (鉄電気石) (Tourmaline, Variety: Elbaite - Schorl )
| 化学組成: | Na(Li1,5AL1,5)Al6(BO3)3[Si6O18](OH)3(OH) -NaFe3+2Al6(BO3)3[Si6O18](OH)3 | サ イ ズ: | | 重量: | | 透明: | | 数量: | | 産地: | Chamachhu, Stak Nala, Haramosh Mts., Skardu District, Baltistan, Northern Areas, パキスタン (Pakistan) | Beautiful tourmaline twin with great color zoning. The specimen displays black, green and colorless parts. The crystal sprays at the sides and the terminations are a achroite tourmalines ! A few of those showing at the base some pinkish hues as well. Great specimen with good luster.
| 
