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Apophyllite on calcite
Onion River, near Lutsen, Cook County, Minnesota, USA
3.5 X 3 X 3 cm
A stubby little calcite crystal with many clear apophyllites growing on the top. (Author: John Nash)
| Dimensiones: | 750 x 734 |
| Tamaño fichero: | 50.32 kbytes |
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