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) | Here you get a fairly big doubly terminated schorl crystal with extreme short but therefore wide habit. The specimen discloses on both sides trigonal termination with smaller or bigger terminated pits. The prism faces showing striation, and at one side; the only small crystalline fracture area. A big heavy specimen rarely found n such size in Burma.
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