標 本 名: | コランダム (鋼玉), ルビー (Corundum, Variety: Ruby)
| 化学組成: | Al2O3 | サ イ ズ: | | 重量: | | 透明: | | 数量: | | 産地: | Dattaw Mine, north of Mogok, ビルマ(ミャンマー) Burma (Myanmar) | A great fully intact ruby crystal with colorless and strong purplish red coloration. The crystal is doubly terminated and no damages are present. The interior displays partly fine transparency. This is a specimen from old stock very hard to obtain nowadays. Bi-colored and intact ruby with a weight of more than 4 cts. !
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