標 本 名: | コランダム (鋼玉), トラピッチ・ルビー (Corundum, Variety:Trapiche Ruby) | 化学組成: | Al2O3 | サ イ ズ: | 7,7 x 7,5 x 2,3 - 5,5 x 5,1 1,2 mm | 重量: | | 透明: | | 数量: | | 産地: | Mong Hsu, Shan State, ビルマ(ミャンマー) Burma (Myanmar) | Very interesting trapiche ruby collection, you get bicolored, piece, pink/red, pink blue, multiple hexagonal zoned, one shows angular additional junctions along the trapiche pattern. Great lot to study the different genesis of trapiche rubies!

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