標 本 名: | コランダム (鋼玉), ルビー (Corundum, Variety: Ruby)
| 化学組成: | Al2O3 | サ イ ズ: | 54,5 x 48,0 x 29,4
クリスタル: 6,2 x 6,1 & 6,0 x 4,4 x 5,6 mm | 重量: | | 透明: | | 数量: | | 産地: | Jegdalek (Jagdalek; Jagdalak; Jagdalik) Ruby Mine, Sorobi District, Kabol (Kabul) Province, アフガニスタン (Afghanistan) | Here you get three fine undamaged and partly lustrous ruby crystals in a massive calcite matrix. The crystals display, for this location, a fine habit and partly also transparency. Fine specimen from Afghanistan.
| 
