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Nuno Afonso's Photo Gallery

CVJ-XQFStrunzite Mn2+Fe3+2(PO4)2(OH)2·6H2O , Phosphosiderite FePO4·2H2O

Multiple photos available
01908660014947067131471.jpg
Sítio do Castelo Mine, Folgosinho, Gouveia, Guarda, Portugal

A close-up of strunzite
Copyright: © nuno afonso      Photo ID: 135224     Uploaded by: Nuno Afonso   View Count: 525   Approval status: Public galleries    Type: Photo - 650 x 526 pixels (0.3 Mpix)

X5F-M50Willemite Zn2SiO4 , Cerussite PbCO3

02634670014947727905121.jpg
Preguiça Mine, Sobral da Adiça, Moura, Beja, Portugal

Largest Crystal Size: 11 mm

This sample shows a pseudomorph of willemite after cerussite.
Cerussite crystals up to 11 mm.
Copyright: © nuno afonso      Photo ID: 135220     Uploaded by: Nuno Afonso   View Count: 474   Approval status: Public galleries    Type: Photo - 700 x 566 pixels (0.4 Mpix)

6TD-YVCPyrolusite Mn4+O2

04208250014947727903084.jpg
Serra da Mina Mine, Cercal do Alentejo, Santiago do Cacém, Setúbal, Portugal

A group of pyrolusite clusters.
Clusters size: ~6mm.
Copyright: © nuno afonso      Photo ID: 135219     Uploaded by: Nuno Afonso   View Count: 435   Approval status: Public galleries    Type: Photo - 650 x 529 pixels (0.3 Mpix)

GFC-AK4Pyrolusite Mn4+O2 , Quartz SiO2

06254740014947727904201.jpg
Serra da Mina Mine, Cercal do Alentejo, Santiago do Cacém, Setúbal, Portugal

Dimensions: 28 mm

A group of quartz micro-crystals growing over pyrolusite clusters.
Specimen size: 28 mm.
Copyright: © nuno afonso      Photo ID: 135218     Uploaded by: Nuno Afonso   View Count: 458   Approval status: Public galleries    Type: Photo - 650 x 439 pixels (0.3 Mpix)

1Q8-108Quartz SiO2 , Pyrite FeS2 , Carminite PbFe3+2(AsO4)2(OH)2

06919220014946699166707.jpg
Alto das Quelhas do Gestoso Mine, Gestoso, Manhouce, São Pedro do Sul, Viseu, Portugal

Largest Crystal Size: 7 mm

Quartz crystals growing on pyrite crystals. We also can see some carminite and scorodite. Pyrite crystal measures 7 mm.
Copyright: © nuno afonso      Photo ID: 135216     Uploaded by: Nuno Afonso   View Count: 625   Approval status: Public galleries    Type: Photo - 700 x 546 pixels (0.4 Mpix)

VN3-23KNatrolite Na2Al2Si3O10·2H2O , Thomsonite

01763210014947115456485.jpg
Lomba dos Pianos quarry, Magoito, São João das Lampas e Terrugem, Sintra, Lisbon, Portugal

A sample of natrolite (the orange radial terminations) and thomsonite (the centers), measuring 58mm.
Copyright: © nuno afonso      Photo ID: 135212     Uploaded by: Nuno Afonso   View Count: 417   Approval status: Public galleries    Type: Photo - 650 x 449 pixels (0.3 Mpix)

EXY-QHPWavellite Al3(PO4)2(OH,F)3·5H2O , Natrodufrénite NaFe2+Fe3+5(PO4)4(OH)6·2H2O

Multiple photos available
07692560014947727904434.jpg
Rebentão Mine, Lagares do Estanho Mines, Queiriga, Vila Nova de Paiva, Viseu, Portugal

Largest Crystal Size: 1 mm

Small crystals of wavellite and natrodufrénite on albite.
Crystals up to 1 mm.
Copyright: © nuno afonso      Photo ID: 135209     Uploaded by: Nuno Afonso   View Count: 617   Approval status: Public galleries    Type: Photo - 700 x 575 pixels (0.4 Mpix)

07V-EXUMolybdenite MoS2

09648810014947727908648.jpg
Cubos-Mesquitela-Mangualde area, Mangualde, Viseu, Portugal

Dimensions: 55 mm

Molybdenite on quartz. The sample was found near the train station at Mangualde.
Specimen size: 55 mm.
Copyright: © nuno afonso      Photo ID: 135206     Uploaded by: Nuno Afonso   View Count: 527   Approval status: Public galleries    Type: Photo - 650 x 537 pixels (0.3 Mpix)

JHR-4CDGoethite \alpha-Fe3+O(OH)

01460280014947727917259.jpg
Serra da Mina Mine, Cercal do Alentejo, Santiago do Cacém, Setúbal, Portugal

Goethite specimen measuring: 61mm.
Copyright: © nuno afonso      Photo ID: 135202     Uploaded by: Nuno Afonso   View Count: 676   Approval status: Public galleries    Type: Photo - 700 x 542 pixels (0.4 Mpix)

U5P-G25Calcite CaCO3 , Willemite Zn2SiO4

03044320014947727915682.jpg
Preguiça Mine, Sobral da Adiça, Moura, Beja, Portugal

Dimensions: 48 mm

Calcite and small willemite crystals on goethite.
Specimen size: 48 mm.
Copyright: © nuno afonso      Photo ID: 135201     Uploaded by: Nuno Afonso   View Count: 391   Approval status: Public galleries    Type: Photo - 650 x 554 pixels (0.4 Mpix)
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