標 本 名: | コランダム (鋼玉), ルビー / 方解石 (Corundum, Variety Ruby / Calcite)
| 化学組成: | Al2O3 / CaCO3 | 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) | A rare very big ruby in crystalline calcite. Rubies in such sizes from Dattaw mine are very rare, although the color isn’t hat hot the specimens shows a remarkable size shape and no damages.
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