Mineral: | Bastnesita- (Ce)
| Fórmula química: | (Ce,La)(CO3)F | Tamaño: | | Peso: | | Transparencia: | | Número de piezas: | | Origen: | Zagi Mountain (Zegi), Mulla Ghori, Khyber Agency, Áreas Tribales de Administración Federal (FATA), Pakistán | This a cutting grade bastnaesite crystal, with a very good transparency for this species and a fine idiomorphic crystal shape, showing on top a basal pinacoid. The color change is strongly visible in changing from brownish yellowish hues in daylight to keep orangey brown in incandescent light. Beautiful specimen from Zagi- Mountains.
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