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: | transparent - translucent | 数量 : | | 産地: | Mogok Stone Tract, Mandalay Division, ビルマ(ミャンマー) Burma (Myanmar) | Doubly terminated sapphire crystal extremely fine and gemmy specimen for this locality, no damages sharp edges distinctive developed ends. The whole faces disclosing fine striation growing marks and luster. The color is a medium to strong blue perfect reference specimen for this locality.
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