標 本 名: | 電気石, エルバイト(リチア電気石), インディゴライト ｷｬｯｱｲ (Indicolite)
| 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: | Konar Valley, Konar (Kunar; Konarh; Konarha; Nuristan) Province, アフガニスタン (Afghanistan) | You get a rare Indicolite cat’s eye crystal. The crystal is doubly terminated and discloses a v-shape. The chatoyance is caused by tiny tube inclusions along the c- axis. One termination is v-shaped while the other is a basal pinacoid with a light lateral damage. A fine crystal with cutting grade transparency!
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