標 本 名: | コランダム／鋼玉 (Corundum), Variety: ルビー (Ruby)
| 化学組成: | Al2O3 | サ イ ズ : | | 重量: | | 透明: | | 数量 : | | 産地: | Dattaw Mine, north of Mogok, Burma | Here you get a huge not broken ルビー (Ruby) 結晶 crystal with Cabochon quality. The whole 結晶 crystal is translucent small 金紅石 (Rutile) and 雲母 (Mica) 結晶 crystals are attached at some areas. Striation and triangle growing marks and nice luster can be seen as well. Some areas look melted maybe due to some pneumatolytic process after epitaxy. A great fist サ イ ズ d ルビー (Ruby) 結晶 crystal with amazing color in transmitted light!!
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