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Ullmannite, siderite
Bautenberg mine, Wilden, Siegerland, Northrhine-Westphalia, Germany
9 x 6 cm
One of the specimens collected by J.C. Ullmann in 1810 with original handwritten label. (Author: Andreas Gerstenberg)
| Dimensions: | 900 x 675 |
| File size: | 138.99 kbytes |
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