標 本 名: | エルバイト(トルマリン) , ドラヴァイト (Dravite)
| 化学組成: | Na(Mg3)Al6(Si6O18)(BO3)3(OH)3(OH) | サ イ ズ: | 13,5 x 8,3 x 5,5 - 4,5 x 3,1 x 3,2 mm | 重量: | | 透明: | | 数量 : | | 産地: | Pyan Gyi mine (West of Pyan Pyit), northeast of Mogok, ビルマ(ミャンマー) Burma (Myanmar) | Here you get only doubly terminated Uvite crystals. The pieces disclosing color zoning , caused by different vanadium (color agent) concentration during the epitaxy. One crystals even has only on small green part except that the tourmaline is colorless. Interesting tourmaline lot.
| 
