| Locality type: | Mining District |
| Classification |
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| Species: | Muscovite var: Mariposite |
| Formula: | K(Al,Cr)2(Al,Si)4O10(OH)2 |
| Confirmation |
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| Validity: | Believed Valid |
| Data |
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| Mineral Data: | Click here to view Mariposite data |
| Locality Data: | Click here to view Placerville Mining District, Lower San Miguel Mining District, San Miguel County, Colorado, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 436195 |
| Long-form Identifier: | 1:3:436195:4 |
| GUID (UUID V4): | 532cd6f6-0765-46d3-a8be-2f41c5206eab |
| Nearest other occurrences of Mariposite |
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| 2.1km (1.3 miles) | ⓘBlack King Mine (Black King No. 4; Black King No. 5; Black King No. 5 Claim; Unpatented Claims: Black King No. 1; Evans Claims; Weatherly Claims), Placerville Mining District, Lower San Miguel Mining District, San Miguel County, Colorado, USA |
| References |
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| Reference Search (possible matching items) |
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 | | Report (issue) | | California's past gold production. Although gold mining decreased greatly in the years during and following...extractive techniques have rekindled interest in mining this metal in the State. In addition to production...been taken from the Grass Valley-Nevada City lode district and from Tertiary river channels and Quaternary...systems of the Grass Valley-Nevada City district, Nevada County, are about 30 miles north of the Mother...Sierra Nevada north of the Grass Valley-Nevada City district. Most of the gold produced from these districts |
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