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Hydroboracite
Kohnstein Quarry, Niedersachswerfen, Nordhausen, Harz, Thuringia, Germany
Main crystal size: 3 × 0.7 cm
Photo: Reference Specimens (Author: Jordi Fabre)
| Dimensions: | 1268 x 1600 |
| File size: | 230.48 kbytes |
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