標 本 名: | スタースピネル
| 化学組成: | MgAl2O4 | サ イ ズ: | | 重量: | | 透明: | | 数量: | | 産地: | Ratnapura, Sabaragamuwa Province, スリランカ (Sri Lanka) | Here you get a star spinel cabochon with fine sharp 6 ray-pattern. The ray looks sharper as more distance you have in-between the light source and the stone. The backside is only partly polished. A fine rare spinel variety from Sri Lanka.
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