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Hydroboracite
Kohnstein Quarry, Niedersachswerfen, Nordhausen District, Thuringia/Thüringen, Germany
Main crystal size: 3 × 0.7 cm
(Author: Jordi Fabre)
| Dimensions: | 1248 x 1576 |
| File size: | 243.08 kbytes |
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