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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Pyrite from
Fortune Occurrence, Magnolia Mining District, Boulder County, Colorado, USA


Locality type:Occurrence
Classification
Species:Pyrite
Formula:FeS2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Pyrite data
Locality Data:Click here to view Fortune Occurrence, Magnolia Mining District, Boulder County, Colorado, USA
Data Identifiers
Mindat Occurrence Record ID:371918
Long-form Identifier:1:3:371918:3
GUID (UUID V4):0
Nearest other occurrences of Pyrite
0.8km (0.5 miles) ⓘKeystone Mine, Magnolia Mining District, Boulder County, Colorado, USA
0.8km (0.5 miles) ⓘMountain Lion Mine - Keystone vein, Magnolia Mining District, Boulder County, Colorado, USA
1.6km (1.0 miles) ⓘMagnolia Vein, Kekionga Mine, Magnolia Mining District, Boulder County, Colorado, USA
4.5km (2.8 miles) ⓘYellow Pine, Sugarloaf Mining District, Boulder County, Colorado, USA
5.0km (3.1 miles) ⓘPoorman group, Gold Hill Mining District, Boulder County, Colorado, USA
5.4km (3.3 miles) ⓘGrand Republic Occurrence, Gold Hill Mining District, Boulder County, Colorado, USA
5.4km (3.3 miles) ⓘLogan & Sunbeam Occurrence, Gold Hill Mining District, Boulder County, Colorado, USA
5.7km (3.5 miles) ⓘWood Mountain Group, Gold Hill Mining District, Boulder County, Colorado, USA
6.2km (3.9 miles) ⓘNancy Wood mine (Sugar Loaf; Forest; Pittsburg; Gray Copper), Gold Hill, Gold Hill Mining District, Boulder County, Colorado, USA
6.4km (4.0 miles) ⓘRogers No. 1; 2; 3-5; 7-11 Occurrence, Boulder County Tungsten Mining District, Boulder County, Colorado, USA
References
Lovering, T.S., Goddard, E.N. (1950) Geology and ore deposits of the Front Range, Colorado. Professional Paper 223. US Geological Survey doi:10.3133/pp223
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
 
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