Mineral: | Xenotima -(Y) , Serie de Solución Sólida: Xenotima -(Y) - Chernovita -(Y) | Fórmula química: | YAsO4 - YPO4 | Tamaño: | 12,2 x 8,0 x 5,2 - 9,8 x 7,6 x 6,2 mm | Peso: | | Transparencia: | translúcido - transparente | Número de piezas: | | Origen: | Zagi Mountain (Zegi), Mulla Ghori, Khyber Agency, Áreas Tribales de Administración Federal (FATA), Pakistán | Three doubly terminated xenotime crystals with partly a bit transparency and luster. Two specimens disclosing nicely the twisting along the c-axis. The color change starts with a strong orangey brown and shifts towards a sand-colored hue under incandescent light

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