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Opal with Orpiment inclusions (variety forcherite)
Holzbrücken, Ingering, Knittelfeld, Murtal District, Styria/Steiermark, Austria
8,5 x 6 cm
(Author: Volkmar Stingl)
| Dimensions: | 1600 x 1200 |
| File size: | 411.26 kbytes |
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