標 本 名: | スピネル (Spinel)
| 化学組成: | MgAl2O4 | サ イ ズ: | | 重量: | | 透明: | MI1 (moderate included) SI1 | 数量: | | 産地: | Ratnapura, Sabaragamuwa Province, スリランカ (Sri Lanka) | This is a very rare violet / blue color change spinel. The stone shows fine symmetry polished. The good brilliancy is visible in direct light conditions. A rare spinel variety and a fine collector stone from Sri Lanka! 
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