標 本 名: | コランダム (鋼玉), サファイア (Corundum, Variety: Sapphire)
| 化学組成: | Al2O3 | サ イ ズ: | | 重量: | | 透明: | | 数量: | | 産地: | Ratnapura, Sabaragamuwa Province, スリランカ (Sri Lanka) | Blue sapphire crystal with fine intact bipyramidal habit. The crystals hast several rutile crystals attached at the outer surfaces well several rutile inclusions inside the crystals rarely observed in that size at a corundum crystal. A very interesting specimen from Sri Lanka!
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