| Locality type: | Mine |
| 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 G. Washington Mine (Member of Presidents Group), Clancy-Lump Gulch Mining District, Jefferson County, Montana, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 497970 |
| Long-form Identifier: | 1:3:497970:8 |
| GUID (UUID V4): | d4e47851-d52e-467f-8a5e-67363dc42c6d |
| Nearest other occurrences of Chalcedony |
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| 1.5km (1.0 miles) | ⓘW. Wilson Mine (Liverpool Mine), Clancy-Lump Gulch Mining District, Jefferson County, Montana, USA |
| 3.8km (2.4 miles) | ⓘLittle Nell Mine (Little Nellie Mine), Clancy-Lump Gulch Mining District, Jefferson County, Montana, USA |
| 5.4km (3.4 miles) | ⓘRoosevelt Mine, Clancy-Lump Gulch Mining District, Jefferson County, Montana, USA |
| 13.4km (8.3 miles) | ⓘMeadow Mine (Haab), Clancy-Lump Gulch Mining District, Jefferson County, Montana, USA |
| 13.5km (8.4 miles) | ⓘArgonne Mine, Clancy-Lump Gulch Mining District, Jefferson County, Montana, USA |
| 14.7km (9.1 miles) | ⓘMount Washington Mine (Deer tunnel; Monongahela-Mount Washington M. Company; Angelica Mining & Development Company; Salvail), Colorado Mining District (Prickly Pear Mining District; Corbin Mining District), Jefferson County, Montana, USA |
| 30.5km (19.0 miles) | ⓘRed Rock Mine, Jefferson County, Montana, USA |
| 30.7km (19.1 miles) | ⓘIndian Head Rock, Basin, Jefferson County, Montana, USA |
| 34.1km (21.2 miles) | ⓘEldorado Bar deposit (Eldorado Strip Mine), Eldorado Bar, East Helena, Lewis and Clark County, Montana, USA |
| 73.0km (45.3 miles) | ⓘMcDonald Meadows Occurrence, Seven-Up Pete Mining District, Lewis and Clark County, Montana, USA |
| References |
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