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Opal (Var: Cherry Opal) : SiO2·nH2O | |
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Cerro da Oca Mine, Vale de Vargo, Serpa, Beja District, Portugal “Oca Opal” with 4x4x3cm - Self-collected in June of 2002 |
| © Martins da Pedra | Photo ID: 74690 View Count: 413 |
Opal (Var: Cherry Opal) : SiO2·nH2O | |
|
Cerro da Oca Mine, Vale de Vargo, Serpa, Beja District, Portugal “Oca Opal” with 6x5x3cm - Self-collected in June of 2002 |
| © Martins da Pedra | Photo ID: 74689 View Count: 232 |
Opal (Var: Cherry Opal) : SiO2·nH2O | |
|
Cerro da Oca Mine, Vale de Vargo, Serpa, Beja District, Portugal “Oca Opal” with 7x5x3cm - Self-collected in June of 2002 |
| © Martins da Pedra | Photo ID: 74691 View Count: 165 |
Opal (Var: Cherry Opal) : SiO2·nH2O | |
|
Cerro da Oca Mine, Vale de Vargo, Serpa, Beja District, Portugal “Oca Opal” with 6x4x4cm - Self-collected in June of 2002 |
| © Martins da Pedra | Photo ID: 74688 View Count: 150 |
Opal (Var: Cherry Opal) : SiO2·nH2O | |
|
Cerro da Oca Mine, Vale de Vargo, Serpa, Beja District, Portugal “Oca Opal” with 9x5x4cm - Self-collected in June of 2002 |
| © Martins da Pedra | Photo ID: 74693 View Count: 146 |
Opal (Var: Cherry Opal) : SiO2·nH2O | |
|
Cerro da Oca Mine, Vale de Vargo, Serpa, Beja District, Portugal “Oca Opal” with 5x4x3cm - Self-collected in June of 2002 |
| © Martins da Pedra | Photo ID: 75552 View Count: 126 |
Opal (Var: Cherry Opal) : SiO2·nH2O | |
|
Cerro da Oca Mine, Vale de Vargo, Serpa, Beja District, Portugal “Oca Opal” with 5x4x4cm - Self-collected in June of 2002 |
| © Martins da Pedra | Photo ID: 75553 View Count: 123 |
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