標 本 名: | コランダム (鋼玉), サファイア (Corundum, Variety: Sapphire)
| 化学組成: | Al2O3 | サ イ ズ: | | 重量: | | 透明: | | 数量: | | 産地: | Mogok Stone Tract, Mandalay Division, ビルマ(ミャンマー) Burma (Myanmar) | This is a top fine doubly terminated Sapphire crystal from Burma. This quality is nowadays very hard to get this from old stock. The specimen has an excellent clarity and a fine blue coloration and the shape is partly tapered.
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