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Wavellite from
Sítio do Castelo Mine (Folgosinho quarry), Folgosinho, Gouveia, Guarda, Portugal

Locality type:Mine
Classification
Species:Wavellite
Formula:Al3(PO4)2(OH,F)3 · 5H2O
Comments:This wavellite is As-bearing (up to 1.8 % As2O5) and very rich with fluorine (~4-5 % F). Also it has admixture up to 2.5 % Fe2O3, apparently Fe"' replace Al.
Habit:white fibrous agregates cementing resorbed pyrite grains
Quality for species:Poor for species, only of interest for locality collectors. (#)
Abundance at site:Very Rare
Confirmation
Validity:Confirmed
Confirmation Methods:SEM-EDS
References
References:Pavel M. Kartashov analytical data, Luigi Chiappino material ; Pedro Alves collection
Associated Minerals Based on Photo Data:
Beraunite2 photos of Wavellite associated with Beraunite at this locality.
Phosphosiderite2 photos of Wavellite associated with Phosphosiderite at this locality.
Rockbridgeite1 photo of Wavellite associated with Rockbridgeite at this locality.
Data
Mineral Data:Click here to view Wavellite data
Locality Data:Click here to view Sítio do Castelo Mine (Folgosinho quarry), Folgosinho, Gouveia, Guarda, Portugal
Nearest other occurrences of Wavellite
26.2km (16.3 miles) Fonte da Cal Mine, Bendada Mines, Bendada, Sabugal, Guarda, Portugal
26.2km (16.3 miles) Bendada Mines, Bendada, Sabugal, Guarda, Portugal
36.2km (22.5 miles) Lagares Mining Field, Viseu, Portugal
36.2km (22.5 miles) Rebentão Mine, Lagares do Estanho Mines, Queiriga, Vila Nova de Paiva, Viseu, Portugal
87.6km (54.5 miles) Fragas da Carvalhosa Mine, Felgar, Torre de Moncorvo, Bragança, Portugal
89.0km (55.3 miles) Cabeço da Mua Mine, Felgar, Torre de Moncorvo, Bragança, Portugal
89.7km (55.8 miles) Ferrarias Mine, Carviçais, Torre de Moncorvo, Bragança, Portugal
 
Mineral and/or Locality  
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