| Locality type: | Deposit |
| Classification |
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| Species: | Quartz var: Chalcedony |
| Formula: | SiO2 |
| Confirmation |
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| Validity: | Believed Valid |
| Data |
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| Mineral Data: | Click here to view Chalcedony data |
| Locality Data: | Click here to view Garo Deposit (Shirley May Mine; Duvall Discovery), Garo Area, Park County, Colorado, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 379139 |
| Long-form Identifier: | 1:3:379139:4 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Chalcedony |
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| 18.5km (11.5 miles) | ⓘSouth Park salt works, Antero Junction, South Park, Park County, Colorado, USA |
| 20.2km (12.6 miles) | ⓘAntero Junction, South Park, Park County, Colorado, USA |
| 23.1km (14.4 miles) | ⓘBuffalo Peaks, Chaffee County, Colorado, USA |
| 25.9km (16.1 miles) | ⓘTrout Creek Lycopsid Fossil Forest, Chaffee County, Colorado, USA |
| 33.9km (21.1 miles) | ⓘIbex Mine, Breece Hill, Leadville, Lake County, Colorado, USA |
| 35.9km (22.3 miles) | ⓘBelgian Mine, Leadville, Lake County, Colorado, USA |
| 37.3km (23.2 miles) | ⓘMaid Of Erin Mine, Carbonate Hill, Leadville, Lake County, Colorado, USA |
| 46.9km (29.2 miles) | ⓘAmity Shaft, St. Kevin - Independence, Lake County, Colorado, USA |
| 51.7km (32.1 miles) | ⓘLast Chance Mine (Lower Adit; Kramer Mine; Adit No. 1; Adit No. 2), Browns Canyon Mining District, Chaffee County, Colorado, USA |
| 52.9km (32.9 miles) | ⓘThirtyone Mile Mountain, Guffey Mining District, Park County, Colorado, USA |
| References |
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