標 本 名: | コランダム (鋼玉), ルビー & サファイア (Corundum, Variety Ruby & Sapphire)
| 化学組成: | Al2O3 | サ イ ズ: | | 重量: | | 透明: | | 数量 : | | 産地: | Mong Hsu, Shan State, ビルマ(ミャンマー) Burma (Myanmar) | Here you get a ruby hosting a sapphire in his core. The sapphire has a very strong blue coloration. Both sides are polished interesting piece from the Mong Hsu mine.
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