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: | Central Province (Hakurutale and Munwatte), Sri Lanka (Sri Lanka) | Fine shaped sapphire crystal with great luster and transparency one end seems to be minor damage the other is fully intact. Fine piece!
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