Mineral: | Espinela
| Fórmula química: | MgAl2O4 | Tamaño: | 1129,0 x 64,8 x 61,3
cristal: 12,6 x 10,4 mm | Peso: | | Transparencia: | transparente - translúcido | Número de piezas: | | Origen: | La Mina está cerca de de aldea de Ah Phu, Luc Yen ("Yuang Yang"; "Yueng Yang"), la Provincia de Yenbai (Yen Bai), Vietnam | Here you get spinel crystals imbedded in a massive marble matrix. The spinel's have been carved out in a typical Vietnamese manner. Half of the crystals are not damaged the other part shows slightly damaged edges.
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