標 本 名: | スピネル (Spinel)
| 化学組成: | MgAl2O4 | サ イ ズ: | | 重量: | | 透明: | LI1 (lightly included) (VS) | 数量: | | 産地: | Ratnapura, Sabaragamuwa Province, スリランカ (Sri Lanka) | Well sized color change Spinel with a color change from pure violet (daylight) to pinkish in incandescent light, better seen in person . The stone shows a slight window but with good symmetry and polish. 
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