Dolomite and Calcite (variety manganese rich) on Quartz
State Route 37 road cuts, Harrodsburg, Clear Creek Township, Monroe County, Indiana, USA
geode is 7 cm and the main calcite is 5 cm
(Author: Bob Harman)
| Dimensions: | 1600 x 1200 |
| File size: | 340.3 kbytes |
| Taken on: | |
| Camera model: | |
| Shutter speed: | |
| Focal length: | |
| Aperture: | |
| Flash: | |
| ISO: |