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) | Sapphire with distinctive well preserved shape and fully intact terminations. The crystal is disclosing some natural silk around the equator beside that the transparency is very good. A beautiful gemmy crystal!
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