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) | Well here you get a big mostly transparent sapphire crystal without any damage. The surface is displaying fine striation and only minor abrasion from the transport. Inside you can see silk nest and some areas are cutting grade quality. A great fine shaped specimen with a weight of almost 25 carats! Great reference specimen for any corundum collector.
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