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Orthoclase (variety adularia)
Piz Medel, Lukmanier Pass, Grischun (Grisons; Graubünden), Switzerland
20 x 13 x 13 cm / main crystal: 19.7 cm
(Author: MIM Museum)
| Dimensions: | 1600 x 1067 |
| File size: | 178.87 kbytes |
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