標 本 名: | コランダム／鋼玉 (Corundum), Variety: ルビー (Ruby) / 方解石 (Calcite)
| 化学組成: | Al2O3 / CaCO3 | サ イ ズ : | 31,5 x 18,9 x 17,7 結晶 crystal: 13,1 x 12,1 x 5,5 mm | 重量: | | 透明: | | 数量 : | | 産地: | Dattaw Mine, north of Mogok, ビルマ(ミャンマー) Burma (Myanmar) | Relatively big ルビー (Ruby) 結晶 crystal on 方解石 (Calcite) freestanding specimen with trigonal growing marks on the surface and good luster. On the backside tiny damage almost not visible. Apart from this allover terminated. Nice specimen from the Dattaw mine!
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