標 本 名: | スピネル (Spinel)
| 化学組成: | MgAl2O4 | サ イ ズ: | | 重量: | | 透明: | | 数量: | | 産地: | Badakhshan (Badakshan; Badahsan) Province, アフガニスタン (Afghanistan) | A rare blue Spinel crystal from Afghanistan. The specimen is fully terminated without any fracture. The spinel is parallel intergrown and shows light sub-translucency.
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