標 本 名: | コランダム (鋼玉), ルビー (Corundum, Variety: Ruby)
| 化学組成: | Al2O3 | サ イ ズ: | 5,3 x 4,7 x 3,1 x 1,5 x 1,1 x 1,0 mm | 重量: | | 透明: | | 数量: | | 産地: | Ah-Sein-Taw (Aseintaw) mine, close to the village Kabaing, west of Mogok, ビルマ(ミャンマー) Burma (Myanmar) | Here you get a lot of color change rubies or sapphires. Most of the crystals are doubly terminated. Some show a grayish to colorless hues or pinkish colors in normal daylight. While all changing the color to deep or partly purplish red coloration in incandescent light.
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