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Struvite
Nikolai church, Hamburg, Germany.
Crystals up to 1,8 x 0,5 cm.
Loose crystals that were found during the reconstruction of the church in 1845. Original material from Georg Ludwig Ulex who described the struvite first in 1848! (Author: Andreas Gerstenberg)
| Dimensions: | 417 x 512 |
| File size: | 28.46 kbytes |
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