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| Country: | Vietnam (Socialist Republic of Vietnam) | (Original Size = 1 cm²) |
| Continent: | Asia (Southeast Asia) | |
| Region: | Quang Ninh | |
| Subregion: | Ha Long | |
| Code: | VN-QN-HL | |
| Place of discovery: | Ha Long Bay Hang Dau Go Cave | |
Sand type: | Cave | |
Coordinates: | 20.9108, 107.019 * | |
| Height (sea level): | 1m (± 10m) | |
| Collection date: | --- |
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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.