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) | Undamaged fully terminated Ruby crystal from Burma. The crystal discloses polysynthetic twinning fine crystal striation and trigonal patterns. The surface has a fine luster. Fine specimen from Burma
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