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Dolomite and Calcite (variety manganese rich) on Quartz
State Route 37 road cuts, Harrodsburg, Clear Creek Township, Monroe County, Indiana, USA
quartz geode is 7 cm. the calcite is 5 cm
(Author: Bob Harman)
| Dimensions: | 1600 x 1200 |
| File size: | 272.52 kbytes |
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