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: | Soamiakatra, Antsirabé 2 District, Vakinankaratra Region, Antananarivo Province, Madagascar | Eye-clean Ruby, displaying orangey-red to deep red color reflexes. The stone is heated as the most Madagascan Corundum's, nevertheless it's great stone with fine polish, suitable for jewelry or collection! 
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