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| Country: | Portugal (Portuguese Republic) | (Original Size = 1 cm²) |
| Continent: | Europe (Southern Europe) | |
| Region: | Porto | |
| Subregion: | Porto | |
| Code: | PT-PO-PO | |
| Place of discovery: | Porto, Castello do Ciel North Atlantic Ocean | |
Sand type: | Beach | |
Coordinates: | --- | |
| Height (sea level): | --- | |
| Collection date: | 10.2005 |
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* The exact information is the "place of discovery description". The coordinates are only for information and only show the possible place of discovery of the sand.