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Corundum on Graphite
Graphite Mine, Amstall, Mühldorf, Krems-Land, Waldviertel, Lower Austria/Niederösterreich, Austria
45 mm specimen showing a 16 mm crystal
(Author: Gerhard Brandstetter)
| Dimensions: | 1152 x 768 |
| File size: | 244.61 kbytes |
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