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: | 125,0 x 108,5 x 58,2
クリスタル: 11,7 x 13,2 x 9,8 & 17,5 x 9,2 x 7,6 mm | 重量: | | 透明: | | 数量: | | 産地: | Chamachhu, Stak Nala, Haramosh Mts., Skardu District, Baltistan, Northern Areas, パキスタン (Pakistan) | Two fine tri-colored Tourmaline crystals imbedded in a massive quartz muscovite matrix. The crystals are absolutely unblemished and both disclosing a black base a blue part, followed by achroite section and ending with thin black layer. One crystal is also intergrown with cleavelandite. A great specimen from Afghanistan!!
| 
