| Locality type: | Mine |
| Classification |
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| Species: | Quartz var: Chalcedony |
| Formula: | SiO2 |
| Comments: | Comprises an entire zone plus veinlets. |
| 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 Good Hope Mine (Mammoth Good Hope Mine; Mammoth-Good Hope Mine; Mammoth Chimney Mine), Vulcan, Vulcan Mining District (Cebolla Mining District; Domingo Mining District), Gunnison County, Colorado, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 847692 |
| Long-form Identifier: | 1:3:847692:0 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Chalcedony |
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| 22.9km (14.2 miles) | ⓘThornburg Mine (Los Ochos claims; Los Ochos Mine; Thornburg No. 1 Mine; T-1 Mine), Cochetopa Mining District (Cochetopa Creek Mining District), Saguache County, Colorado, USA |
| 41.5km (25.8 miles) | ⓘGunnison River Gorge, Gunnison County, Colorado, USA |
| 47.4km (29.4 miles) | ⓘHidden Treasure Mine, Lake City, Lake City Mining District, Hinsdale County, Colorado, USA |
| 47.9km (29.8 miles) | ⓘGolden Fleece Mine, Lake City, Lake City Mining District, Hinsdale County, Colorado, USA |
| 48.4km (30.1 miles) | ⓘOulay Mine, Lake City, Lake City Mining District, Hinsdale County, Colorado, USA |
| 50.0km (31.1 miles) | ⓘUncompahgre Peak, Hinsdale County, Colorado, USA |
| 51.3km (31.9 miles) | ⓘAmethyst Mine, Amethyst vein, Creede Mining District, Mineral County, Colorado, USA |
| 51.4km (32.0 miles) | ⓘLast Chance Mine, Amethyst vein, Creede Mining District, Mineral County, Colorado, USA |
| 52.7km (32.7 miles) | ⓘBachelor Mine, Amethyst vein, Creede Mining District, Mineral County, Colorado, USA |
| 53.0km (32.9 miles) | ⓘCommodore Mine, Amethyst vein, Creede Mining District, Mineral County, Colorado, USA |
| References |
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