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: | Mine near the village Kollane, Embilipitiya (Embilipitya; Ambilipitiya), Province of Sabaragamuwa, スリランカ (Sri Lanka) | A great sapphire crystal from Sri Lanka disclosing a good luster and fine bipyramidale shape. The crystal shows a little water worn edges nevertheless still disclosing intact crystal faces with only tiny damages, the tips are also not damaged only slightly water worn. The interior of the crystals is hosting a lot of silk. A fine reference specimen with an unheated natural blue coloration and a weight of 56 carats!
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