標 本 名: | 電気石 , リチア電気石, 苦土電気石 (Dravite)
| 化学組成: | NaMg3(Al,Fe)6(BO3)3(Si6O18)(OH)3(OH) | サ イ ズ: | 12,9 x 3,8 x 3,1 - 4,6 x 2,4 x 2,0 mm | 重量: | | 透明: | | 数量 : | | 産地: | Mogok Stone Tract, Mandalay Division, ビルマ(ミャンマー) Burma (Myanmar) | Here you get interesting Tourmaline crystals with gemmy transparency and a color range from reddish brown, some with greenish yellow, mostly brownish yellow up to honey yellow hues. Almost all crystals disclosing prism faces and fine termination.
| 
