標 本 名: | スピネル (Spinel)
| 化学組成: | MgAl2O4 | サ イ ズ: | | 重量: | | 透明: | | 数量: | | 産地: | Mines around Kahawatta, Ratnapura District, Sabaragamuwa Province, スリランカ (Sri Lanka) | Spinel crystals from Sri Lanka are rarely found in matrix, these crystals are deeply imbedded in a pure phlogopite matrix. The purplish crystal showing partly crystal faces and fracture planes, nevertheless regarding the rarity of primary source spinel this is still a great collector’s item.
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