Gaddie-Shamrock Columbia quarry, Adair Co., Kentucky, USA
On KY 55, 5.2 mi. S of Columbia; geodes with calcite; quartz at top of quarry.
| Group 4 - Oxides and Hydroxides | | Quartz | 4.DA.05 | | | Group 5 - Nitrates and Carbonates | | Calcite | 5.AB.05 | |
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2 entries listed. 2 valid minerals.
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