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Native Gold from
Twenty-One Placer Mine (Twenty-One Mine; Placer 21; 21 Placer Mine), Iowa Hill, Iowa Hill Mining District, Placer County, California, USA


Locality type:Mine
Classification
Species:Native Gold
Formula:Au
Comments:Placer material. Apparently somewhat argentiferous.
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Native Gold data
Locality Data:Click here to view Twenty-One Placer Mine (Twenty-One Mine; Placer 21; 21 Placer Mine), Iowa Hill, Iowa Hill Mining District, Placer County, California, USA
Data Identifiers
Mindat Occurrence Record ID:683226
Long-form Identifier:1:3:683226:1
GUID (UUID V4):0
Nearest other occurrences of Native Gold
0.4km (0.3 miles) ⓘCampbell Mine, Kings Hill, Iowa Hill Mining District, Placer County, California, USA
1.0km (0.6 miles) ⓘBig Dipper Mine, Iowa Hill, Iowa Hill Mining District, Placer County, California, USA
1.1km (0.7 miles) ⓘVirtle Placer Mine, Kings Hill, Iowa Hill Mining District, Placer County, California, USA
1.2km (0.7 miles) ⓘSailors Union Hydraulic Mine, Kings Hill, Iowa Hill Mining District, Placer County, California, USA
1.3km (0.8 miles) ⓘNational Mine, Iowa Hill, Iowa Hill Mining District, Placer County, California, USA
1.4km (0.9 miles) ⓘOccidental Mine, Cottage Home Hill, Iowa Hill Mining District, Placer County, California, USA
1.8km (1.1 miles) ⓘOld Jupiter Mine (Jupiter Consolidated Mine; Jupiter Cons.), Cottage Home Hill, Iowa Hill Mining District, Placer County, California, USA
1.9km (1.2 miles) ⓘUnnamed Au mine [36], Kings Hill, Iowa Hill Mining District, Placer County, California, USA
2.1km (1.3 miles) ⓘGold Streak Placer Mine, Cottage Home Hill, Iowa Hill Mining District, Placer County, California, USA
2.3km (1.5 miles) ⓘJupiter Mine, Cottage Home Hill, Iowa Hill Mining District, Placer County, California, USA
References
Clark, W.B. (1970) Gold Districts of California. Bulletin 193. California Division of Mines & Geology
Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc.
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
 
and/or  
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