| Locality type: | Mine |
| Classification |
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| Species: | Quartz |
| Formula: | SiO2 |
| Confirmation |
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| Validity: | Believed Valid |
| Data |
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| Mineral Data: | Click here to view Quartz data |
| Locality Data: | Click here to view Armstrong Mine (Armstrong & Roberts Mine), Henry Diggings, Indian Diggings Mining District, El Dorado County, California, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 325554 |
| Long-form Identifier: | 1:3:325554:4 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Quartz |
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| 1.4km (0.9 miles) | ⓘTom Cat and Cedar Grove Mine (Tom Cat Mine; Tom Cat claim; Cedar Grove claim), Henry Diggings, Indian Diggings Mining District, El Dorado County, California, USA |
| 1.6km (1.0 miles) | ⓘGloriana Mine (Glorianna), Henry Diggings, Indian Diggings Mining District, El Dorado County, California, USA |
| 1.7km (1.1 miles) | ⓘCrystal Mine [2] (Mountain Quail claim; Creole claim; Crystal claim; Creole North claim), Henry Diggings, Indian Diggings Mining District, El Dorado County, California, USA |
| 1.8km (1.1 miles) | ⓘCousin Jack Mine, Henry Diggings, Indian Diggings Mining District, El Dorado County, California, USA |
| 1.9km (1.2 miles) | ⓘPolar Bear Mine (White Bear; Empire group), Henry Diggings, Indian Diggings Mining District, El Dorado County, California, USA |
| 2.4km (1.5 miles) | ⓘStillwagon Mine (St. Lawrence), Omo Ranch, Indian Diggings Mining District, El Dorado County, California, USA |
| 2.6km (1.6 miles) | ⓘOak Mine [2] (Black Oak Mine; Crown Point; August), Omo Ranch, Indian Diggings Mining District, El Dorado County, California, USA |
| 2.6km (1.6 miles) | ⓘPotosi Mine (Potossi), Omo Ranch, Indian Diggings Mining District, El Dorado County, California, USA |
| 2.8km (1.7 miles) | ⓘSyracuse Mine, Omo Ranch, Indian Diggings Mining District, El Dorado County, California, USA |
| 2.8km (1.8 miles) | ⓘTexas Mine, Brownsville, Indian Diggings Mining District, El Dorado County, California, USA |
| References |
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