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Calcite on Quartz
Sheffler's Rock Shop and Geode Mine, Alexandria, Clark County, Missouri, USA
the geode cavity is about 18 cm and the largest calcites are about 3.5 cm
(Author: Bob Harman)
| Dimensiones: | 1600 x 1200 |
| Tamaño fichero: | 350.95 kbytes |
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