標 本 名: | 電気石, ショール (鉄電気石) (Tourmaline, Variety: Schorl)
| 化学組成: | NaFe3+2Al6(BO3)3[Si6O18](OH)3(OH) | サ イ ズ: | | 重量: | | 透明: | | 数量: | | 産地: | Palelni mine, Khetchel (Khat Che) village, Molo quarter, Momeik Township, ビルマ(ミャンマー) Burma (Myanmar) | A rare black mushroom tourmaline crystals, in fact the specimen is an intergrowth of 3 skewed crystals, haven’t seen any piece like that before! A must for all schorl lovers!
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