標 本 名: | コランダム／鋼玉 (Corundum), Variety: ルビー (Ruby)
| 化学組成: | Al2O3 | サ イ ズ : | | 重量: | | 透明: | transparent - translucent | 数量 : | | 産地: | Dattaw Mine, north of Mogok, ビルマ(ミャンマー) Burma (Myanmar) | Here you get a fine cluster ルビー (Ruby) with a slight color change in incandescent or fluorescent light. None of the 結晶 crystal has a damage even the bottom is fully terminated with tiny 結晶 crystal faces.
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