| Locality type: | Mine |
| Classification |
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| Species: | Pyrite |
| Formula: | FeS2 |
| Confirmation |
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| Validity: | Believed Valid |
| Data |
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| Mineral Data: | Click here to view Pyrite data |
| Locality Data: | Click here to view Pioneer Mine (Mitchell Ranch), Grass Valley, Grass Valley Mining District, Nevada County, California, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 330389 |
| Long-form Identifier: | 1:3:330389:4 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Pyrite |
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| 0.8km (0.5 miles) | ⓘGolden Gate group (Golden Gate Gp; Kentucky & Alpha; Golden Gate; Golden Gate East and West; Dana claim; Christopher Columbus claim; Golden Gate claim; Alpha claim; Ismert Ranch claim), Grass Valley, Grass Valley Mining District, Nevada County, California, USA |
| 1.0km (0.6 miles) | ⓘIdaho-Maryland Mine (Idaho Maryland prospect; Maryland Mine; Howard Hill/Morning Dew; Idaho Maryland-Brunswick), Idaho-Maryland group, Grass Valley, Grass Valley Mining District, Nevada County, California, USA |
| 1.2km (0.8 miles) | ⓘEureka Gold Quartz Mine (Eureka Consolidated; Eureka Mine; Eureka Gold Qtz; Roannaise), Idaho-Maryland group, Grass Valley, Grass Valley Mining District, Nevada County, California, USA |
| 1.3km (0.8 miles) | ⓘBlack Hawk Extension Mine (Black Hawk Ext.; Aberdeen Tunnel Company), Grass Valley, Grass Valley Mining District, Nevada County, California, USA |
| 1.3km (0.8 miles) | ⓘNew Pittsburg Mine, Nevada City, Nevada City Mining District, Nevada County, California, USA |
| 1.4km (0.9 miles) | ⓘSouth Idaho Consolidated Quartz Mine (South Idaho Consolidated; South Idaho Cons. Qtz.; South Idaho vein; ABC Mine; S.B.C. claim; ; OK Mine; O.K. claim), Idaho-Maryland group, Grass Valley, Grass Valley Mining District, Nevada County, California, USA |
| 2.2km (1.3 miles) | ⓘCrown Point Consolidated Quartz Mine (Crown Point Mine; Crown Point Con. Qtz.; Confidence; Wm Penn; William Penn), Empire Star group (Empire Star Mines Company holdings), Grass Valley, Grass Valley Mining District, Nevada County, California, USA |
| 2.3km (1.4 miles) | ⓘCoe Mines (Hankins; Roberts; Coe vein), Grass Valley, Grass Valley Mining District, Nevada County, California, USA |
| 2.4km (1.5 miles) | ⓘBrunswick Mine (Brunswick vein; New Brunswick Mine), Idaho-Maryland group, Grass Valley, Grass Valley Mining District, Nevada County, California, USA |
| 2.8km (1.7 miles) | ⓘProvidence Gold Quartz Mine (Providence Gold Qtz; Providence Mine), Nevada City, Nevada City Mining District, Nevada County, California, USA |
| References |
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