Lousas aplite-pegmatite, Barroso-Alvão pegmatite field, Vila Real District, PortugalQuartz containing ferronigerite was found nearby the aplite-pegmatite body during the reconstruction nof a forest road.
The aplite-pegmatite contains petalite and phosphate minerals.
Pegmatite is 500 meters long and width to 10m.
24 entries listed. 18 valid minerals.
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- Novák, M. et al. (2009): Ferronigerite with dominant substitution TiSn-1 in muscovite+chlorite aggregate from massive quartz nodule associated with a petalite-rich aplite-pegmatite of the Barroso-Alvão pegmatite field, Northern Portugal. N. Jb. Mineral. Abh. 186, 67-78.
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