USA mineral classics is where the Folch Collection is very strong. Two excellent 11-13 cm. (4½ - 5 inches) tall native Copper specimens from Michigan. Both the crystal definition and their high quality can be considered exceptional. Really top specimens. (Author: Joan Rosell)
| Dimensions: | 600 x 496 |
| File size: | 53.18 kbytes |
| Taken on: | |
| Camera model: | |
| Shutter speed: | |
| Focal length: | |
| Aperture: | |
| Flash: | |
| ISO: |