標 本 名: | コランダム (鋼玉), トラピッチ・ルビー (Trapiche Ruby)
| 化学組成: | Al2O3 | サ イ ズ: | | 重量: | | 透明: | | 数量: | | 産地: | Mogok Stone Tract, Mandalay Division, ビルマ(ミャンマー) Burma (Myanmar) | Trapiche rubies are normally known from the Mong Hsu mine; this one is from the Mogok Stone tract and is much rarer. The piece is polished on both sides and discloses as very thin 6-ray pattern compared to Mon Hus specimens. A rare collector’s item!
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