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: | 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 ruby in bipyramidale shape with fine natural color and luster. The specimen has both sides terminated, one with a basal pinacoid face with a tiny cavity, while the other is spiky terminated.
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