Nuno Afonso's Gallery

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Albite : Na[AlSi3O8], Chamosite-Clinochlore Series
	Eiras Quarry (incl. Eiras de cima quarry), Sanfins, Valença do Minho, Viana do Castelo District, Portugal Albite floatter, coated by chamoisite. Specimen size: 63mm.
© nuno afonso	Photo ID: 135192    View Count: 219
Albite : Na[AlSi3O8]
	Nossa Senhora da Esperança Quarry, Quintela de Azurara, Mangualde, Viseu District, Portugal Albite floatter measuring 43mm.
© nuno afonso	Photo ID: 134619    View Count: 156
Apatite-(CaF) : Ca5[F|(PO4)3], Opal (Var: Opal-AN) : SiO2·nH2O, Albite : Na[AlSi3O8], Muscovite : KAl2[(OH)2|AlSi3O10]
	Nossa Senhora da Esperança Quarry, Quintela de Azurara, Mangualde, Viseu District, Portugal Nice sample of albite coated by hyalite and some white apatite on the tops. Apatite cristals up to 2mm.
© nuno afonso	Photo ID: 134622    View Count: 124
Apatite-(CaF) : Ca5[F|(PO4)3], Quartz (Var: Smoky Quartz) : SiO2, Albite : Na[AlSi3O8]
	Carvalhal Quarry, Penalva do Castelo, Viseu District, Portugal Blue fluorapatite on albite, with a small quartz cristal. Fluorapatite cristal size: 12mm.
© nuno afonso	Photo ID: 134612    View Count: 135
Apatite-(CaF) : Ca5[F|(PO4)3], Quartz (Var: Smoky Quartz) : SiO2
	Carvalhal Quarry, Penalva do Castelo, Viseu District, Portugal Curved apatite together with quartz and altered chlorites. Apatite size: 34mm.
© nuno afonso	Photo ID: 134968    View Count: 118
Apatite-(CaF) : Ca5[F|(PO4)3], Muscovite : KAl2[(OH)2|AlSi3O10]
	Real quarry, Penalva do Castelo, Viseu District, Portugal Perfectly clear and gemmy apatite on a muscovite "bed". Cristal size: 8mm.
© nuno afonso	Photo ID: 134967    View Count: 139
Apatite-(CaF) : Ca5[F|(PO4)3]
	Real quarry, Penalva do Castelo, Viseu District, Portugal Nice blue apatite with an unusual form, maybe disturbed by muscovite? Cristal size: 5mm.
© nuno afonso	Photo ID: 134986    View Count: 120
Bertrandite : Be4[(OH)2|Si2O7], Albite : Na[AlSi3O8], Chlorite Group
	Carvalhal Quarry, Penalva do Castelo, Viseu District, Portugal Bertrandite cristals displayed on albite cristals, and some Chlorites spheres. Bertrandite cristals up to 6mm.
© nuno afonso	Photo ID: 134613    View Count: 175
Beryl : Be3Al2Si6O18
	Vila Seca Quarry, Chãs de Tavares, Mangualde, Viseu District, Portugal Beryl cristal on quartz matrix Cristal siza: 33mm.
© nuno afonso	Photo ID: 133719    View Count: 144
Beryl : Be3Al2Si6O18
	Assunção Mine, Aldeia Nova, Ferreira de Aves, Sátão, Viseu District, Portugal Beryl cristal on matrix. Cristal size: 60mm.
© nuno afonso	Photo ID: 133947    View Count: 189

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