Vote for your favorite mineral in #MinCup26! - Quartz vs. Asagiite
It's a classic vs a newbie as the most common named mineral in the crust Quartz is up against an exceedingly-rare sea foam-green mineral discovered just a few years ago Asagiite.
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Electrum from
Sleeper mine, Awakening Mining District, Humboldt County, Nevada, USA


Locality type:Mine
Classification
Species:Native Gold var: Electrum
Formula:(Au,Ag)
Quality for species:Good crystals or rich for species - important (!)
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Electrum data
Locality Data:Click here to view Sleeper mine, Awakening Mining District, Humboldt County, Nevada, USA
Data Identifiers
Mindat Occurrence Record ID:271449
Long-form Identifier:1:3:271449:3
GUID (UUID V4):0
Nearest other occurrences of Electrum
5.7km (3.6 miles) ⓘJumbo mine (Austin mine), Awakening Mining District, Humboldt County, Nevada, USA
35.0km (21.7 miles) ⓘSandman Project, Ten Mile Mining District, Humboldt County, Nevada, USA
37.6km (23.3 miles) ⓘGolden Sage Project, Ten Mile Mining District, Humboldt County, Nevada, USA
44.7km (27.8 miles) ⓘWinnemucca Mountain mine (Gold Hill Group), Winnemucca Mining District, Humboldt County, Nevada, USA
51.8km (32.2 miles) ⓘMoonlight Mine, Disaster Mining District, Montana Mountains, Humboldt County, Nevada, USA
57.4km (35.7 miles) ⓘHorse Creek prospect, Disaster Mining District, Montana Mountains, Humboldt County, Nevada, USA
66.0km (41.0 miles) ⓘBell vein, Buckskin Mountain, National Mining District, Humboldt County, Nevada, USA
66.6km (41.4 miles) ⓘBuckskin National mine, Buckskin Mountain, National Mining District, Humboldt County, Nevada, USA
66.9km (41.6 miles) ⓘBirthday vein, National Mining District, Humboldt County, Nevada, USA
67.7km (42.1 miles) ⓘTurquoise Ridge Mine, Getchell Mine, Adam Peak, Potosi Mining District, Osgood Mountains, Humboldt County, Nevada, USA
References
USGS Bull 2090
Saunders, James A. (1994) Silica and gold textures in bonanza ores of the Sleeper Deposit, Humboldt County, Nevada; evidence for colloids and implications for epithermal ore-forming processes. Economic Geology, 89 (3) 628-638 doi:10.2113/gsecongeo.89.3.628
Castor, Stephen B.; Ferdock, Gregory C. (2004) Minerals of Nevada. Special Publication 31. Nevada Bureau of Mines and Geology 512pp.
WARREN, I. (2005) Geology, geochemistry, and genesis of the El Pe˜nón epithermal Au-Ag deposit, northern Chile: Characteristics of a bonanza-grade deposit and techniques for exploration. Unpublished Ph.D. thesis, New Zealand, University of Auckland, Auckland, New Zealand, 428 pp.
 
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