| Locality type: | Prospect |
| 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 Charter Oak Prospect (Tyone), Chicago Creek, Clear Creek County, Colorado, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 664946 |
| Long-form Identifier: | 1:3:664946:3 |
| GUID (UUID V4): | ec40f824-3a14-4141-a05b-23792795c57f |
| Nearest other occurrences of Chalcedony |
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| 0.4km (0.2 miles) | ⓘHumboldt et al Claims, Cascade, Chicago Creek, Clear Creek County, Colorado, USA |
| 0.5km (0.3 miles) | ⓘDixie Mine, Lamartine Mining District, Clear Creek County, Colorado, USA |
| 0.6km (0.4 miles) | ⓘMohawk, Chicago Creek, Clear Creek County, Colorado, USA |
| 0.7km (0.5 miles) | ⓘChicago, Black Eagle Group, Lamartine Mining District, Clear Creek County, Colorado, USA |
| 0.8km (0.5 miles) | ⓘSappho, Lamartine Mining District, Clear Creek County, Colorado, USA |
| 0.8km (0.5 miles) | ⓘ76 (Ouida; Evergreen Humbolt; S; Brunswick; Exchange; Kearsarge; Wallace; Bald Eagle; Mary Foster; Emma Jane; Mohawk; Argosy; Argentite; Gold and Silver Coin; American Boy), Lamartine Mining District, Clear Creek County, Colorado, USA |
| 0.9km (0.5 miles) | ⓘBig Flat, Chicago Creek, Clear Creek County, Colorado, USA |
| 1.1km (0.7 miles) | ⓘWallace Tunnel, Lamartine Mining District, Clear Creek County, Colorado, USA |
| 1.2km (0.8 miles) | ⓘCape Brenton, Chicago Creek, Clear Creek County, Colorado, USA |
| 1.2km (0.8 miles) | ⓘHenry Wilson, Lamartine Mining District, Clear Creek County, Colorado, USA |
| References |
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