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) | A fine blue sapphire crystal from Mogok. Those specimens became very rare. The specimen has a fine distinctive habit with good blue saturation. One end is sadly damaged but the crystal still disclosing a good shape with partly very good transparency.
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