標 本 名: | 電気石, ショール (鉄電気石) (Tourmaline, Variety: Schorl) / 石英 / 長石（グループ, 斜長石, 曹長石 )
| 化学組成: | NaFe3+2Al6(BO3)3[Si6O18](OH)3(OH) / SiO2 / NaAlSi3O8 | サ イ ズ: | | 重量: | | 透明: | | 数量: | | 産地: | Shigar Valley, Skardu District, Baltistan, Northern Areas, パキスタン (Pakistan) | Here you get two Schorl brother imbedded in Cleavelandite, also quartz crystals are attached one big at the backside as well as a small Aquamarine crystal. One schorl is damaged at the top, the other is terminated and both disclosing a good luster along the prism sides. The whole cleavelandite is interspersed with tiny schorl crystals. Beautiful piece from Pakistan.
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