標 本 名: | コランダム (鋼玉), ルビー (Corundum, Variety: Ruby)
| 化学組成: | Al2O3 | サ イ ズ: | | 重量: | | 透明: | | 数量: | | 産地: | Dattaw Mine, north of Mogok, ビルマ(ミャンマー) Burma (Myanmar) | Great gem - grade Ruby crystal with intense purplish red coloration, especially along the c- axis , great luster and fully intact crystal shape. The interior is hosting typical rutile- silk and therefore I can guarantee that this specimen ins untreated in any way. Great collector's item!
| 
