標 本 名: | ジルコン (Zircon)
| 化学組成: | ZrSiO4 | サ イ ズ: | 34,9 x 11,6 x 10,6 & 19,2 x 7,8 x 5,7 mm | 重量: | | 透明: | | 数量: | | 産地: | Gem gravels around Ratnapura, Ratnapura District, Sabaragamuwa Province , スリランカ (Sri Lanka) | Two zircon crystals from Sri Lanka, big crystal shows a recrystallized base and a pyramidal tetragonal termination, the crystal faces are slightly waterworn. The smaller crystal shows partly transparency and those sites are fully terminated.
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