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 sharp crystallized zircon crystal emits an overall radioactivity of 2,7 µSv/h and a gamma activity of 1 µSv/h. The base is terminated as well.
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