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 ) / 白雲母
| 化学組成: | NaFe3+2Al6(BO3)3[Si6O18](OH)3(OH) / SiO2 / NaAlSi3O8 / KAl2(Si3Al)O10(OH,F)2 | サ イ ズ: | | 重量: | | 透明: | | 数量: | | 産地: | Shigar Valley, Skardu District, Baltistan, Northern Areas, パキスタン (Pakistan) | A really big cabinet of quartz, cleavelandite and schorl crystals. At the bottom you find also some muscovite crystals. All quartz crystals are full intact no damages! Some quartz crystals at the outer area are showing recrystallized faces! Both quartz species disclosing a fine luster and clarity. The cleavelandite shows snow-white and rosette-like crystals with great luster. At the bottom you can see also schorl crystals disclosing an unusual greenish brown translucency. A fine paragenesis from Pakistan !
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