標 本 名: | ジルコン (Zircon)
| 化学組成: | ZrSiO4 | サ イ ズ: | | 重量: | | 透明: | | 数量: | | 産地: | near the village Kollane, Embilipitiya (Embilipitya; Ambilipitiya), Province of Sabaragamuwa, スリランカ (Sri Lanka) | This is a fine faceted zircon, no inclusions are visible with the naked eye. Judging by the color this stone was heat-treated and one tiny inclusion under the microscope confirms this. Naturally yellow zircon from Sri Lanka shows a brighter coloration. Nevertheless you get a very fine faceted stone with great symmetry and perfect brilliancy. 
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