標 本 名: | エルバイト(トルマリン) (Elbaite)
| 化学組成: | Na(Li1,5AL1,5)Al6(BO3)3[Si6O18](OH)3(OH) | サ イ ズ: | | 重量: | | 透明: | | 数量: | | 産地: | Paprok, Nuristan Province (Nurestan; Nooristan), アフガニスタン (Afghanistan) | This is a rare goshenite crystal in matrix from Burma. Unlike crystals from the Sakangyi area this one’s showing longer prismatic shape and appear in matrix. Only a few have been found this one is based on quartz surrounded by Cleavelandite and tiny Muscovite lamellas. At the left side you can spot another smaller crystal in matrix, both crystals are fully intact with partly good transparency and nice luster
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