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Quartz casts after calcite
Droujba Mine, Laki District, Plovdiv Oblast, Bulgaria
7.1 x 10.0 cm.
Scalenohedral calcite crystals to 3.5 cm. epimorphed by quartz. The calcite has been completely dissolved away leaving thin hollow shells. (Author: crosstimber)
| Dimensions: | 750 x 531 |
| File size: | 32.8 kbytes |
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