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Opal from
Mas Sever Quarry (Massabè; Massabé; Mas Ceber; Mas Sober; Mas Sabé), Massabè, Sils, La Selva, Girona (Gerona), Catalonia, Spain

Locality type:Quarry
Classification
Species:Opal
Formula:SiO2 · nH2O
Confirmation
Validity:Believed Valid
References
References:Joaquim Mollfulleda, Minerales, Omega, 1996
Data
Mineral Data:Click here to view Opal data
Locality Data:Click here to view Mas Sever Quarry (Massabè; Massabé; Mas Ceber; Mas Sober; Mas Sabé), Massabè, Sils, La Selva, Girona (Gerona), Catalonia, Spain
Nearest other occurrences of Opal
17.6km (10.9 miles) Rialls quarry (Montpalau quarry), Tordera, Maresme, Barcelona, Catalonia, Spain
19.4km (12.1 miles) Osor Mines, Osor, La Selva, Girona (Gerona), Catalonia, Spain
37.2km (23.1 miles) Els Frares quarry (Riera d'Avencó; Riera d'Avençó), Aiguafreda, Vallès Oriental, Barcelona, Catalonia, Spain
53.3km (33.1 miles) Can Donadeu quarry, Sant Fost de Campsentelles, Vallès Oriental, Barcelona, Catalonia, Spain
57.0km (35.4 miles) Montcada hill quarry (Pedrera del Turó de Montcada), Montcada i Reixac, Vallès Occidental, Barcelona, Catalonia, Spain
66.7km (41.5 miles) Montjuïc, Barcelona city, Barcelonès, Barcelona, Catalonia, Spain
70.8km (44.0 miles) Berta quarry and mine, Sant Cugat del Vallès-El Papiol, Vallès Occidental-Baix Llobregat, Barcelona, Catalonia, Spain
78.2km (48.6 miles) Albères massif, Pyrénées-Orientales, Occitanie, France
 
Mineral and/or Locality  
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