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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Petzite from
Cold Springs Group (Times Tunnel; Hoodoo; Horsefal; Haddock; Crown; King; Wolf Tongue; Red Cloud), Gold Hill Mining District, Boulder County, Colorado, USA


Locality type:Occurrence
Classification
Species:Petzite
Formula:Ag3AuTe2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Petzite data
Locality Data:Click here to view Cold Springs Group (Times Tunnel; Hoodoo; Horsefal; Haddock; Crown; King; Wolf Tongue; Red Cloud), Gold Hill Mining District, Boulder County, Colorado, USA
Data Identifiers
Mindat Occurrence Record ID:934414
Long-form Identifier:1:3:934414:3
GUID (UUID V4):0
Nearest other occurrences of Petzite
0.0km (0.0 miles) ⓘSlide Mine, Gold Hill Mining District, Boulder County, Colorado, USA
0.4km (0.2 miles) ⓘCash Mine, Gold Hill, Gold Hill Mining District, Boulder County, Colorado, USA
1.0km (0.6 miles) ⓘPrussian, Ward Mining District, Boulder County, Colorado, USA
1.7km (1.1 miles) ⓘIngram mine (Valley Forge Occurrence; Critic and Railroad Boy; Sunshine; Three Brothers; Atchison; Belle; Golden Eagle; Melvina; Baron; Richmond), Gold Hill Mining District, Boulder County, Colorado, USA
2.6km (1.6 miles) ⓘInterocean Mine, Gold Hill Mining District, Boulder County, Colorado, USA
2.6km (1.6 miles) ⓘAmerican Mine, Sunshine, Gold Hill Mining District, Boulder County, Colorado, USA
2.6km (1.6 miles) ⓘWashburn Mine, Sunshine, Gold Hill Mining District, Boulder County, Colorado, USA
2.8km (1.7 miles) ⓘLittle Johnny Mine (Emancipation group; Home Sweet Home occurrence), Gold Hill, Gold Hill Mining District, Boulder County, Colorado, USA
2.8km (1.7 miles) ⓘNancy Wood mine (Sugar Loaf; Forest; Pittsburg; Gray Copper), Gold Hill, Gold Hill Mining District, Boulder County, Colorado, USA
3.2km (2.0 miles) ⓘNew Rival - Black Rose, Ward Mining District, Boulder County, Colorado, USA
References
Kelly, William C.; Goddard, Edwin N. (1969) Telluride Ores of Boulder County, Colorado. GSA Memoir 109. Geological Society of America doi:10.1130/mem109
 
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