標 本 名: | 電気石 -ショール (鉄電気石) / 金雲母/ 曹長石 (Tourmaline, Variety: Elbaite -Schrol / Albite)
| 化学組成: | Na(Li1,5AL1,5)Al6(BO3)3[Si6O18](OH)3(OH) / SiO2 - NaFe3+2Al6(BO3)3[Si6O18< | 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) | This is a rather rarely found termination for a tourmaline with great pillared termination. The trigonal main pillar is standing out with thin fine crystal faces surrounded by acicular pillars with different lengths. The upper centimeter is green colored while the rest is opaque. Furthermore you can see cleavelandite attached to the prism face. Unusual tourmaline from recent find.
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