Vote for your favorite mineral in #MinCup26! - Quartz vs. Asagiite
It's a classic vs a newbie as the most common named mineral in the crust Quartz is up against an exceedingly-rare sea foam-green mineral discovered just a few years ago Asagiite.
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Chlorite Group from
Borralha Mines, Salto, Montalegre, Vila Real, Portugal


Locality type:Mine
Classification
Species:'Chlorite Group' (not an IMA approved species)
Comments:Associated with phase 2 sulfides.
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Chlorite Group data
Locality Data:Click here to view Borralha Mines, Salto, Montalegre, Vila Real, Portugal
Data Identifiers
Mindat Occurrence Record ID:320248
Long-form Identifier:1:3:320248:7
GUID (UUID V4):0
Nearest other occurrences of Chlorite Group
12.9km (8.0 miles) ⓘLousas aplite-pegmatite, Dornelas, Boticas, Vila Real, Portugal
18.3km (11.4 miles) ⓘCarris Mines, Cabril, Montalegre, Vila Real, Portugal
20.2km (12.6 miles) ⓘMata da Lapeira Mine, Basto (São Clemente), Celorico de Basto, Braga, Portugal
32.8km (20.4 miles) ⓘSeixo Branco No. 2 Mine, Vila Chã (São João Baptista e Santiago), Ponte da Barca, Viana do Castelo, Portugal
33.4km (20.8 miles) ⓘLimarinho deposit, Ardãos e Bobadela, Boticas, Vila Real, Portugal
34.2km (21.2 miles) ⓘBarral, Vila Chã (São João Baptista e Santiago), Ponte da Barca, Viana do Castelo, Portugal
36.7km (22.8 miles) ⓘVieiros Mines, Rebordelo, Amarante, Porto, Portugal
36.9km (23.0 miles) ⓘSeixigal (Pereira de Selão), Vilas Boas, Vidago, Chaves, Vila Real, Portugal
36.9km (23.0 miles) ⓘPereira de Selão, Vilas Boas, Vidago, Chaves, Vila Real, Portugal
37.4km (23.3 miles) ⓘLamas de Olo pluton, Vila Marim, Vila Real, Vila Real, Portugal
References
Bull. Minéral. , 1984, 107, pp. 273-284.
Bobos, Iuliu, de Sá, Carlos Marques, Noronha, Fernando (2021) Mineralogy, Fluid Inclusions, and Oxygen Isotope Geochemistry Signature of Wolframite to Scheelite and Fe,Mn Chlorite Veins from the W, (Cu,Mo) Ore Deposit of Borralha, Portugal. Minerals, 12 (1) 24 doi:10.3390/min12010024
Bobos, Iuliu, Stein, Holly, Deng, Xiao-Dong, Sudo, Masafumi, Noronha, Fernando (2024) U–Pb LA-ICP-MS and Re–Os dating of wolframite and molybdenite: Constraints on multiple mineralization and cooling history (40Ar/39Ar) for the magmatic–hydrothermal system at Borralha, northern Portugal. Ore Geology Reviews, 168. 106013 doi:10.1016/j.oregeorev.2024.106013
Losantos, Emma; Borrajo, Iñigo; Losada, Iván; Boixet, Lluís; Castelo Branco, José M.; Tornos, Fernando (2025) Sn and W mineralisation in the Iberian Peninsula. Ore Geology Reviews, 179. 106542 doi:10.1016/j.oregeorev.2025.106542
 
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