標 本 名: | コランダム (鋼玉), トラピッチ・ルビー (Corundum, Variety:Trapiche Ruby)
| 化学組成: | Al2O3 | サ イ ズ: | | 重量: | | 透明: | | 数量: | | 産地: | Mong Hsu, Shan State, ビルマ(ミャンマー) Burma (Myanmar) | A pretty big trapiche ruby, in fact the coloration is more like a “geuda” sapphire with the typical diesel-effect, caused by rutile silk. The crystal is polished and both sides and discloses a superb transparency d fine trapiche pattern with trigonal center. A very fine and well sized specimen!
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